keikoz@kdesktop ~/openttd/hacking/FIRS/firs $ make
Traceback (most recent call last):
  File "<string>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'days'
/bin/bash: let: x=5046 days, 0:00:00 + 65536 * 0 : erreur de syntaxe dans l'expression (le symbole erroné est "days, 0:00:00 + 65536 * 0")
Traceback (most recent call last):
  File "<string>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'days'
/bin/bash: let: x=5046 days, 0:00:00 + 65536 * 0 : erreur de syntaxe dans l'expression (le symbole erroné est "days, 0:00:00 + 65536 * 0")
Traceback (most recent call last):
  File "<string>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'days'
/bin/bash: let: x=5046 days, 0:00:00 + 65536 * 0 : erreur de syntaxe dans l'expression (le symbole erroné est "days, 0:00:00 + 65536 * 0")
[GENERATE PNML]
  File "scripts/preprocess.py", line 12
    print "[PYTHON] python preprocessing"
                                        ^
SyntaxError: invalid syntax
make: *** [firs-pnml] Erreur 1