Using the tarball was a great help, errors now are reduced to this last error:
Code:
In file included from /home/gebruiker/ricochet2/metamod-1.19/metamod/meta_api.h:41,
from bot.h:48,
from bot.cpp:37:
/home/gebruiker/ricochet2/metamod-1.19/metamod/engine_api.h:268: error: expected initializer before ‘*’ token
/home/gebruiker/ricochet2/metamod-1.19/metamod/engine_api.h:269: error: expected initializer before ‘*’ token
/home/gebruiker/ricochet2/metamod-1.19/metamod/engine_api.h:448: error: expected initializer before ‘*’ token
/home/gebruiker/ricochet2/metamod-1.19/metamod/engine_api.h:449: error: expected initializer before ‘*’ token