tce-load -i python3-dev cairo-dev cd pycairo-1.10.0 cd /usr/local/bin sudo ln -s python3 python PYTHON=/usr/local/bin/python3 CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe" ./waf configure --prefix=/usr/local find . -name Makefile -type f -exec sed -i 's/-O2/ /g' {} \; ./waf build sudo ./waf install