export CFLAGS="-march=i486 -mtune=i686 -Os -pipe"
export CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti"

load dbus, dbus-glib, glib2 & dev and python-2.7 & dev extensions

dbus-python-0.83.1
------------------
./configure --prefix=/usr/local

find . -name Makefile -type f -exec sed -i 's/-Wall -Wextra/-march=i486 -mtune=i68
6 -Os -pipe -Wall -Wextra/g' {} \;

make
sudo make install