export CFLAGS="-march=i486 -mtune=i686 -Os -pipe"
export CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti"
export PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/local/lib/pkgconfig


libusb-1.0.0
------------
./configure --prefix=/usr/local
make
sudo make install-strip

libusb-compat-0.1.0
-------------------
./configure --prefix=/usr/local
make
sudo make install-strip

usbutils-0.73
-------------
./configure --prefix=/usr/local
make
sudo make install-strip