sudo apt-get install libbluetooth-dev build-essential fakeroot
sudo apt-get build-dep libpcap
apt-get source libpcap
cd libpcap-*
dpkg-buildpackage -rfakeroot -b -nc -us -uc
sudo dpkg -iGO ../*.deb

CFLAGS='-I /path/to/dependency/include' LDFLAGS='-L /path/to/dependency/lib' ./configure …