error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

i try install pcapy, but outgoing notifications like this :

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

pcapdumper.cc:11:18: fatal error: pcap.h: No such file or directory

#include

     ^

compilation terminated. error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

i use ubuntu 14.04