c++ -I$h -lm -lX11 Name.cc -ggdb -o Name -O2
     |     |   |             |            |
     |     |   |             |            +-- Optimieren
     |     |   |             |
     |     |   |             +-- Debugger Informationen einbinden
     |     |   |
     |     |   +-- X-Windows Library
     |     |
     |     +-- Mathe Library
     |
     +-- Include Pfad

