Hello for everyone, I would use galib http://lancet.mit.edu/ga/ but g++ cannot find the library: g++ -I /usr/include/ga example.cc example.cc:1:30: error: ga/GA2DArrayGenome does not exist example.cc:2:25: error: ga/GASimpleGA does not exist example.cc:3:21: error: ga/GAList does not exist example.cc:4:27: error: ga/GAStatistics does not exist I use Debian 6. Can any one help?