ln -s ../include/constants.h src/simgear/constants.h
ln -s ../include/fg_traits.hxx src/simgear/fg_traits.hxx
ln -s ../include/fg_zlib.h src/simgear/fg_zlib.h
ln -s ../include/constants.h src/simgear/constants.h
ln -s ../include/fg_traits.hxx src/simgear/fg_traits.hxx
ln -s ../include/fg_zlib.h src/simgear/fg_zlib.h