the Raspi WH got just one processor, so you should run make without j-2.
try it with make only.
/usr/bin/ld: cgminer-driver-gekko.o:(.bss+0xd48): multiple definition of `modminer_drv'; cgminer-cgminer.o:(.bss+0x2078): first defined here
/usr/bin/ld: cgminer-driver-gekko.o:(.bss+0xdd0): multiple definition of `bitforce_drv'; cgminer-cgminer.o:(.bss+0x1ff0): first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:893: cgminer] Fehler 1
make[2]: Verzeichnis „/home/pi/mining/newpac/cgminer“ wird verlassen
make[1]: *** [Makefile:1837: all-recursive] ERROR 1
make[1]: Verzeichnis „/home/pi/mining/newpac/cgminer“ wird verlassen
make: *** [Makefile:796: all] ERROR 2
STILL THE SAME ERROR...