I have the following error when trying to compile gcc main.c -o a.out -lphidget22 /usr/bin/ld: /tmp/ccoh9Nkx.o: undefined reference to symbol 'sin@@GLIBC_2.4' /usr/bin/ld: /lib/arm-linux-gnueabihf/libm.so.6: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit stat...