Fix the following build failures on gcc 10 (where -fno-common is enabled
by default):
/home/test/autobuild/run/instance-0/output-1/per-package/dump1090/host/bin/../lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: interactive.o:/home/test/autobuild/run/instance-0/output-1/build/dump1090-bff92c4ad772a0a8d433f788d39dae97e00e4dbe/dump1090.h:373: multiple definition of `Modes'; /home/test/autobuild/run/instance-0/output-1/per-package/dump1090/host/bin/../lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: interactive.o:/home/test/autobuild/run/instance-0/output-1/build/dump1090-bff92c4ad772a0a8d433f788d39dae97e00e4dbe/dump1090.h:373: multiple definition of `Modes'; dump1090.o:/home/test/autobuild/run/instance-0/output-1/build/dump1090-bff92c4ad772a0a8d433f788d39dae97e00e4dbe/dump1090.h:373: first defined here
/home/test/autobuild/run/instance-0/output-1/per-package/dump1090/host/bin/../lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: interactive.o:/home/test/autobuild/run/instance-0/output-1/build/dump1090-bff92c4ad772a0a8d433f788d39dae97e00e4dbe/dump1090.h:238: multiple definition of `tDF'; dump1090.o:/home/test/autobuild/run/instance-0/output-1/build/dump1090-bff92c4ad772a0a8d433f788d39dae97e00e4dbe/dump1090.h:238: first defined here
/home/test/autobuild/run/instance-0/output-1/per-package/dump1090/host/bin/../lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: view1090.o:/home/test/autobuild/run/instance-0/output-1/build/dump1090-bff92c4ad772a0a8d433f788d39dae97e00e4dbe/dump1090.h:373: first defined here
Fixes:
- http://autobuild.buildroot.org/results/88dc97fcaa649014edb3b54a5dd4bd8ec4715bbd
Signed-off-by: Fabrice Fontaine <[email protected]>