-XBT_PUBLIC(void) lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
+void lmm_update_variable_weight(lmm_system_t sys, lmm_variable_t var,
double weight);
double lmm_get_variable_weight(lmm_variable_t var);
int lmm_constraint_used(lmm_system_t sys, lmm_constraint_t cnst);
-XBT_PUBLIC(void) lmm_solve(lmm_system_t sys);
+void lmm_solve(lmm_system_t sys);
#ifdef HAVE_SDP
void sdp_solve(lmm_system_t sys);