As per summary, check attached build log. And _please_ try not to fix it in the wrong way: http://blog.flameeyes.eu/2009/07/02/how-_not_-to-fix-gcc-4-4-bugs
Created attachment 196972 [details] Build log
You need to reinstall simgear. Maybe I did it wrong just updating simgear-1.9.1 not doing an -r1 for that :/