/tmp/sunjay/pyrit-0.4.0$ ./setup.py build
svn: '.' is not a working copy
running build
running build_py
copying cpyrit/config.py -> build/lib.linux-x86_64-2.7/cpyrit
copying cpyrit/config.py -> build/lib.linux-x86_64-2.7/cpyrit
running build_ext
building 'cpyrit._cpyrit_cpu' extension
creating build/temp.linux-x86_64-2.7
creating build/temp.linux-x86_64-2.7/cpyrit
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c cpyrit/_cpyrit_cpu.c -o build/temp.linux-x86_64-2.7/cpyrit/_cpyrit_cpu.o -Wall -I/tmp/sunjay/include -I/tmp/sunjay/lib -I /tmp/sunjay/libpcap-1.3.0 -I/tmp/sunjay/bin -I/tmp/sunjay/include/pcap -fno-strict-aliasing -DVERSION="0.4.0"
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c cpyrit/_cpyrit_cpu_sse2.S -o build/temp.linux-x86_64-2.7/cpyrit/_cpyrit_cpu_sse2.o -Wall -I/tmp/sunjay/include -I/tmp/sunjay/lib -I /tmp/sunjay/libpcap-1.3.0 -I/tmp/sunjay/bin -I/tmp/sunjay/include/pcap -fno-strict-aliasing -DVERSION="0.4.0"
gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions build/temp.linux-x86_64-2.7/cpyrit/_cpyrit_cpu.o build/temp.linux-x86_64-2.7/cpyrit/_cpyrit_cpu_sse2.o -lcrypto -lpcap -o build/lib.linux-x86_64-2.7/cpyrit/_cpyrit_cpu.so
/usr/bin/ld: cannot find -lpcap
collect2: ld returned 1 exit status
error: command 'gcc' failed with exit status 1