solver_set_flag
solver_set_flag(fSolver, SOLVER_FLAG_ALLOW_UNINSTALL, 1);
solver_set_flag(fSolver, SOLVER_FLAG_ALLOW_UNINSTALL, 1);
solver_set_flag(fSolver, SOLVER_FLAG_SPLITPROVIDES, 1);
solver_set_flag(fSolver, SOLVER_FLAG_BEST_OBEY_POLICY, 1);
solver_set_flag(solv, solverflags2str[i].flag, v);
solver_set_flag(solv, solverflags2str[i].flag, solverflags2str[i].def);
extern int solver_set_flag(Solver *solv, int flag, int value);