make produces the following...i have tried the main and mirror to see if there was a difference.... running raspian, the same instructions worked before...however im stuck in my tracks with this one

Scanning dependencies of target convenience_static [ 5%] Building C object src/CMakeFiles/convenience_static.dir/convenience/convenience.c.o Linking C static library libconvenience_static.a [ 5%] Built target convenience_static Scanning dependencies of target rtlsdr_shared [ 10%] Building C object src/CMakeFiles/rtlsdr_shared.dir/librtlsdr.c.o [ 15%] Building C object src/CMakeFiles/rtlsdr_shared.dir/tuner_e4k.c.o [ 20%] Building C object src/CMakeFiles/rtlsdr_shared.dir/tuner_fc0012.c.o [ 25%] Building C object src/CMakeFiles/rtlsdr_shared.dir/tuner_fc0013.c.o [ 30%] Building C object src/CMakeFiles/rtlsdr_shared.dir/tuner_fc2580.c.o [ 35%] Building C object src/CMakeFiles/rtlsdr_shared.dir/tuner_r82xx.c.o Linking C shared library librtlsdr.so [ 35%] Built target rtlsdr_shared Scanning dependencies of target rtl_adsb [ 40%] Building C object src/CMakeFiles/rtl_adsb.dir/rtl_adsb.c.o Linking C executable rtl_adsb [ 40%] Built target rtl_adsb Scanning dependencies of target rtl_eeprom [ 45%] Building C object src/CMakeFiles/rtl_eeprom.dir/rtl_eeprom.c.o Linking C executable rtl_eeprom [ 45%] Built target rtl_eeprom Scanning dependencies of target rtl_fm [ 50%] Building C object src/CMakeFiles/rtl_fm.dir/rtl_fm.c.o Linking C executable rtl_fm [ 50%] Built target rtl_fm Scanning dependencies of target rtl_power [ 55%] Building C object src/CMakeFiles/rtl_power.dir/rtl_power.c.o Linking C executable rtl_power [ 55%] Built target rtl_power Scanning dependencies of target rtl_sdr [ 60%] Building C object src/CMakeFiles/rtl_sdr.dir/rtl_sdr.c.o Linking C executable rtl_sdr [ 60%] Built target rtl_sdr Scanning dependencies of target rtl_tcp [ 65%] Building C object src/CMakeFiles/rtl_tcp.dir/rtl_tcp.c.o /home/davinci/librtlsdr/src/rtl_tcp.c:28:23: fatal error: arpa/inet.h: No such file or directory compilation terminated. src/CMakeFiles/rtl_tcp.dir/build.make:54: recipe for target 'src/CMakeFiles/rtl_tcp.dir/rtl_tcp.c.o' failed make[2]: *** [src/CMakeFiles/rtl_tcp.dir/rtl_tcp.c.o] Error 1 CMakeFiles/Makefile2:355: recipe for target 'src/CMakeFiles/rtl_tcp.dir/all' failed make[1]: *** [src/CMakeFiles/rtl_tcp.dir/all] Error 2 Makefile:113: recipe for target 'all' failed make: *** [all] Error 2