diff --git a/ompi/mca/topo/treematch/topo_treematch.h b/ompi/mca/topo/treematch/topo_treematch.h
index 2a73118dec..bcc4d748bf 100644
--- a/ompi/mca/topo/treematch/topo_treematch.h
+++ b/ompi/mca/topo/treematch/topo_treematch.h
@@ -70,7 +70,7 @@ int mca_topo_treematch_dist_graph_create(mca_topo_base_module_t* module,
                                          int n, const int nodes[],
                                          const int degrees[], const int targets[],
                                          const int weights[],
-                                         struct ompi_info_t *info, int reorder,
+                                         struct opal_info_t *info, int reorder,
                                          ompi_communicator_t **newcomm);
 /*
  * ******************************************************************
diff --git a/ompi/mca/topo/treematch/topo_treematch_dist_graph_create.c b/ompi/mca/topo/treematch/topo_treematch_dist_graph_create.c
index daf406dc01..76af20bc1d 100644
--- a/ompi/mca/topo/treematch/topo_treematch_dist_graph_create.c
+++ b/ompi/mca/topo/treematch/topo_treematch_dist_graph_create.c
@@ -114,7 +114,7 @@ int mca_topo_treematch_dist_graph_create(mca_topo_base_module_t* topo_module,
                                          int n, const int nodes[],
                                          const int degrees[], const int targets[],
                                          const int weights[],
-                                         struct ompi_info_t *info, int reorder,
+                                         struct opal_info_t *info, int reorder,
                                          ompi_communicator_t **newcomm)
 {
     int err;
@@ -613,7 +613,7 @@ int mca_topo_treematch_dist_graph_create(mca_topo_base_module_t* topo_module,
                     if (obj_mapping[i] != -1)
                         tm_topology->nb_constraints++;
                 tm_topology->constraints = (int *)calloc(tm_topology->nb_constraints,sizeof(int));		
-                for(idx = 0,i = 0; i < tm_topology->nb_proc_units ; i++)
+                for(idx = 0, i = 0; i < tm_topology->nb_proc_units ; i++)
                     if (obj_mapping[i] != -1)
                         tm_topology->constraints[idx++] = obj_mapping[i];		
 
diff --git a/ompi/mca/topo/treematch/treematch/PriorityQueue.c b/ompi/mca/topo/treematch/treematch/PriorityQueue.c
index 004224e300..471583f4af 100644
--- a/ompi/mca/topo/treematch/treematch/PriorityQueue.c
+++ b/ompi/mca/topo/treematch/treematch/PriorityQueue.c
@@ -4,11 +4,7 @@
 /*
   This comparison function is used to sort elements in key descending order.
 */
-int compfunc(const FiboNode * const, const FiboNode * const);
-
-
-
-int compFunc(const FiboNode * const node1, const FiboNode * const node2)
+static int compFunc(const FiboNode * const node1, const FiboNode * const node2)
 {
   return 
     ( ( ((QueueElement*)(node1))->key > ((QueueElement*)(node2))->key ) ? -1 : 1); 
diff --git a/ompi/mca/topo/treematch/treematch/tm_bucket.c b/ompi/mca/topo/treematch/treematch/tm_bucket.c
index 59d93e8e00..88719cf925 100644
--- a/ompi/mca/topo/treematch/treematch/tm_bucket.c
+++ b/ompi/mca/topo/treematch/treematch/tm_bucket.c
@@ -31,7 +31,7 @@ static int ilog2(int val)
 
 static int verbose_level = ERROR;
 
-bucket_list_t global_bl;
+static bucket_list_t global_bl;
 
 int tab_cmp(const void*,const void*);
 int old_bucket_id(int,int,bucket_list_t);
@@ -199,7 +199,7 @@ void add_to_bucket(int id,int i,int j,bucket_list_t bucket_list)
     /* display_bucket(bucket);*/
     if(verbose_level >= DEBUG){
       printf("Extending bucket %d (%p) from size %d to size %d!\n",
-	     id,bucket->bucket, bucket->nb_elem, bucket->nb_elem+size);
+             id, (void*)bucket->bucket, bucket->nb_elem, bucket->nb_elem+size);
     }
 
     bucket->bucket = (coord*)REALLOC(bucket->bucket,sizeof(coord)*(size + bucket->bucket_len));
@@ -525,7 +525,7 @@ void partial_update_val (int nb_args, void **args, int thread_id){
 
   if(nb_args != 5){
     if(verbose_level >= ERROR)
-      fprintf(stderr,"(Thread: %d) Wrong number of args in %s: %d\n",thread_id, __FUNCTION__, nb_args);
+      fprintf(stderr,"(Thread: %d) Wrong number of args in %s: %d\n",thread_id, __func__, nb_args);
     exit(-1);
   }
 
diff --git a/ompi/mca/topo/treematch/treematch/tm_kpartitioning.c b/ompi/mca/topo/treematch/treematch/tm_kpartitioning.c
index 282e7f7e04..a1a1bb0935 100644
--- a/ompi/mca/topo/treematch/treematch/tm_kpartitioning.c
+++ b/ompi/mca/topo/treematch/treematch/tm_kpartitioning.c
@@ -294,7 +294,7 @@ com_mat_t **split_com_mat(com_mat_t *com_mat, int n, int k, int *partition)
     printf("Partition: "); print_1D_tab(partition,n);
     display_tab(com_mat->comm,com_mat->n);
     printf("m=%d,n=%d,k=%d\n",m,n,k);
-    printf("perm=%p\n",perm);
+    printf("perm=%p\n", (void*)perm);
   }
 
   perm  = (int*)MALLOC(sizeof(int)*m);
@@ -425,8 +425,8 @@ void free_const_tab(constraint_t *const_tab, int k)
   FREE(const_tab);
 }
 
-
-void check_com_mat(com_mat_t *com_mat){
+#if 0
+static void check_com_mat(com_mat_t *com_mat){
   int i,j;
 
   for( i = 0 ; i < com_mat->n ; i++ )
@@ -435,9 +435,8 @@ void check_com_mat(com_mat_t *com_mat){
 	printf("com_mat->comm[%d][%d]= %f\n",i,j,com_mat->comm[i][j]);
 	exit(-1);
       }
-
-
 }
+#endif
 
 void kpartition_build_level_topology(tm_tree_t *cur_node, com_mat_t *com_mat, int N, int depth,
 				     tm_topology_t *topology, int *local_vertices,
diff --git a/ompi/mca/topo/treematch/treematch/tm_malloc.c b/ompi/mca/topo/treematch/treematch/tm_malloc.c
index cc6e711bf3..541dc35754 100644
--- a/ompi/mca/topo/treematch/treematch/tm_malloc.c
+++ b/ompi/mca/topo/treematch/treematch/tm_malloc.c
@@ -36,7 +36,7 @@ static void init_extra_data(void);
 
 
 
-char *my_strdup(char* string){
+static char *my_strdup(char* string){
   int size = 1+strlen(string);
   char *res = (char*)malloc(size*sizeof(char));
 
diff --git a/ompi/mca/topo/treematch/treematch/tm_mapping.c b/ompi/mca/topo/treematch/treematch/tm_mapping.c
index 3c50abe6c4..3472b4a998 100644
--- a/ompi/mca/topo/treematch/treematch/tm_mapping.c
+++ b/ompi/mca/topo/treematch/treematch/tm_mapping.c
@@ -34,25 +34,6 @@ typedef struct {
 } hash2_t;
 
 
-tm_affinity_mat_t * new_affinity_mat(double **mat, double *sum_row, int order);
-int compute_nb_leaves_from_level(int depth,tm_topology_t *topology);
-void depth_first(tm_tree_t *comm_tree, int *proc_list,int *i);
-int  fill_tab(int **new_tab,int *tab, int n, int start, int max_val, int shift);
-void init_mat(char *filename,int N, double **mat, double *sum_row);
-void map_topology(tm_topology_t *topology,tm_tree_t *comm_tree, int level,
-		  int *sigma, int nb_processes, int **k, int nb_compute_units);
-int nb_leaves(tm_tree_t *comm_tree);
-int nb_lines(char *filename);
-int nb_processing_units(tm_topology_t *topology);
-void print_1D_tab(int *tab,int N);
-tm_solution_t * tm_compute_mapping(tm_topology_t *topology,tm_tree_t *comm_tree);
-void tm_finalize();
-void tm_free_affinity_mat(tm_affinity_mat_t *aff_mat);
-tm_affinity_mat_t *tm_load_aff_mat(char *filename);
-void update_comm_speed(double **comm_speed,int old_size,int new_size);
-tm_affinity_mat_t * tm_build_affinity_mat(double **mat, int order);
-
-
 /* compute the number of leaves of any subtree starting froma node of depth depth*/
 int compute_nb_leaves_from_level(int depth,tm_topology_t *topology)
 {
@@ -280,7 +261,7 @@ int nb_leaves(tm_tree_t *comm_tree)
 }
 
 /* find the first '-1 in the array of size n and put the value there*/
-void set_val(int *tab, int val, int n){
+static void set_val(int *tab, int val, int n){
   int i = 0;
 
   while (i < n ){
diff --git a/ompi/mca/topo/treematch/treematch/tm_mapping.h b/ompi/mca/topo/treematch/treematch/tm_mapping.h
index 391073b6ae..97b3a728a7 100644
--- a/ompi/mca/topo/treematch/treematch/tm_mapping.h
+++ b/ompi/mca/topo/treematch/treematch/tm_mapping.h
@@ -19,7 +19,6 @@ int nb_lines(char *filename);
 int nb_processing_units(tm_topology_t *topology);
 void print_1D_tab(int *tab,int N);
 tm_solution_t * tm_compute_mapping(tm_topology_t *topology,tm_tree_t *comm_tree);
-void tm_finalize();
 void tm_free_affinity_mat(tm_affinity_mat_t *aff_mat);
 tm_affinity_mat_t *tm_load_aff_mat(char *filename);
 void update_comm_speed(double **comm_speed,int old_size,int new_size);
diff --git a/ompi/mca/topo/treematch/treematch/tm_solution.c b/ompi/mca/topo/treematch/treematch/tm_solution.c
index ee741d73be..a0fde41e29 100644
--- a/ompi/mca/topo/treematch/treematch/tm_solution.c
+++ b/ompi/mca/topo/treematch/treematch/tm_solution.c
@@ -10,27 +10,6 @@ typedef struct {
 } hash_t;
 
 
-
-void tm_free_solution(tm_solution_t *sol);
-int distance(tm_topology_t *topology,int i, int j);
-double display_sol_sum_com(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, int *sigma);
-  double display_sol(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, int *sigma, tm_metric_t metric);
-double tm_display_solution(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, tm_solution_t *sol,
-			   tm_metric_t metric);
-void tm_display_other_heuristics(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, tm_metric_t metric);
-int in_tab(int *tab, int n, int val);
-void map_Packed(tm_topology_t *topology, int N, int *sigma);
-void map_RR(tm_topology_t * topology, int N, int *sigma);
-int hash_asc(const void* x1,const void* x2);
-int *generate_random_sol(tm_topology_t *topology,int N,int level,int seed);
-double eval_sol(int *sol,int N,double **comm, double **arch);
-void exchange(int *sol,int i,int j);
-double gain_exchange(int *sol,int l,int m,double eval1,int N,double **comm, double **arch);
-void select_max(int *l,int *m,double **gain,int N,int *state);
-void compute_gain(int *sol,int N,double **gain,double **comm, double **arch);
-void map_MPIPP(tm_topology_t *topology,int nb_seed,int N,int *sigma,double **comm, double **arch);
-
-
 void tm_free_solution(tm_solution_t *sol){
   int i,n;
 
@@ -120,7 +99,7 @@ double display_sol_sum_com(tm_topology_t *topology, tm_affinity_mat_t *aff_mat,
 }
 
 
-double display_sol_max_com(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, int *sigma)
+static double display_sol_max_com(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, int *sigma)
 {
   double a,c,sol;
   int i,j;
@@ -156,7 +135,7 @@ double display_sol_max_com(tm_topology_t *topology, tm_affinity_mat_t *aff_mat,
   return sol;
 }
 
-double display_sol_hop_byte(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, int *sigma)
+static double display_sol_hop_byte(tm_topology_t *topology, tm_affinity_mat_t *aff_mat, int *sigma)
 {
   double c,sol;
   int nb_hops;
diff --git a/ompi/mca/topo/treematch/treematch/tm_topology.c b/ompi/mca/topo/treematch/treematch/tm_topology.c
index 341194801a..8f3ae9401f 100644
--- a/ompi/mca/topo/treematch/treematch/tm_topology.c
+++ b/ompi/mca/topo/treematch/treematch/tm_topology.c
@@ -115,7 +115,7 @@ int topo_nb_proc(hwloc_topology_t topology,int N)
 
 
 
-double link_cost(int depth)
+static double link_cost(int depth)
 {
   /*
     Bertha values
@@ -427,7 +427,7 @@ int int_cmp_inc(const void* x1,const void* x2)
 }
 
 
-int topo_check_constraints(tm_topology_t *topology){
+static int topo_check_constraints(tm_topology_t *topology){
   int n = topology->nb_constraints;
   int i;
   int depth = topology->nb_levels-1;
@@ -447,7 +447,7 @@ int topo_check_constraints(tm_topology_t *topology){
 
 /* cpy flag tells if we need to copy the array.
    Set to 1 when called from the application level and 0 when called from inside the library*/
-int tm_topology_set_binding_constraints_cpy(int *constraints, int nb_constraints, tm_topology_t *topology, int cpy_flag){
+static int tm_topology_set_binding_constraints_cpy(int *constraints, int nb_constraints, tm_topology_t *topology, int cpy_flag){
 
   topology -> nb_constraints = nb_constraints;
   if(cpy_flag){
diff --git a/ompi/mca/topo/treematch/treematch/tm_tree.c b/ompi/mca/topo/treematch/treematch/tm_tree.c
index e3c5e29385..946f01b69c 100644
--- a/ompi/mca/topo/treematch/treematch/tm_tree.c
+++ b/ompi/mca/topo/treematch/treematch/tm_tree.c
@@ -5,6 +5,7 @@
 #include <assert.h>
 #include <pthread.h>
 
+#include "treematch.h"
 #include "tm_tree.h"
 #include "tm_mapping.h"
 #include "tm_timings.h"
@@ -244,7 +245,7 @@ void partial_aggregate_aff_mat (int nb_args, void **args, int thread_id){
 
   if(nb_args != 7){
     if(verbose_level >= ERROR)
-      fprintf(stderr, "Thread %d: Wrong number of args in %s: %d\n", thread_id, __FUNCTION__, nb_args);
+      fprintf(stderr, "Thread %d: Wrong number of args in %s: %d\n", thread_id, __func__, nb_args);
     exit(-1);
   }
 
@@ -268,7 +269,7 @@ void partial_aggregate_aff_mat (int nb_args, void **args, int thread_id){
 }
 
 
-tm_affinity_mat_t *aggregate_aff_mat(tm_tree_t *tab_node, tm_affinity_mat_t *aff_mat, int M)
+static tm_affinity_mat_t *aggregate_aff_mat(tm_tree_t *tab_node, tm_affinity_mat_t *aff_mat, int M)
 {
   int i, j, i1, j1, id1, id2;
   double **new_mat = NULL, **old_mat = aff_mat->mat;
@@ -702,7 +703,7 @@ int  select_independent_groups(group_list_t **tab_group, int n, int arity, int M
 }
 
 
-int8_t** init_independent_group_mat(int n, group_list_t **tab_group, int arity){
+static int8_t** init_independent_group_mat(int n, group_list_t **tab_group, int arity){
   int i, j, ii, jj;
   int8_t **indep_mat = (int8_t **)MALLOC(sizeof(int8_t*) *n);
 
@@ -730,7 +731,7 @@ int8_t** init_independent_group_mat(int n, group_list_t **tab_group, int arity){
   return indep_mat;
 }
 
-int independent_groups_mat(group_list_t **selection, int selection_size, group_list_t *elem, int8_t **indep_mat)
+static int independent_groups_mat(group_list_t **selection, int selection_size, group_list_t *elem, int8_t **indep_mat)
 {
   int i;
   int id_elem = elem->id;
@@ -753,7 +754,7 @@ int independent_groups_mat(group_list_t **selection, int selection_size, group_l
   static long int y=0;
 
 
-int thread_derecurs_exhaustive_search(group_list_t **tab_group, int i, int nb_groups, int arity, int depth, int solution_size,
+static int thread_derecurs_exhaustive_search(group_list_t **tab_group, int i, int nb_groups, int arity, int depth, int solution_size,
 				      double val, double *best_val, group_list_t **selection, group_list_t **best_selection,
 				      int8_t **indep_mat, pthread_mutex_t *lock, int thread_id, int *tab_i, int start_depth){
 
@@ -841,8 +842,8 @@ int thread_derecurs_exhaustive_search(group_list_t **tab_group, int i, int nb_gr
   return 0;
 }
 
-
-group_list_t * group_dup(group_list_t *group, int nb_groups){
+#if 0
+static group_list_t * group_dup(group_list_t *group, int nb_groups){
    group_list_t *elem = NULL;
    /* tm_tree_t **tab = NULL; */
    double *bound;
@@ -866,8 +867,10 @@ group_list_t * group_dup(group_list_t *group, int nb_groups){
    return elem;
 
 }
+#endif
 
-group_list_t **  tab_group_dup(group_list_t **tab_group, int nb_groups){
+#if 0
+static group_list_t **  tab_group_dup(group_list_t **tab_group, int nb_groups){
   group_list_t **res;
   int i;
 
@@ -881,8 +884,10 @@ group_list_t **  tab_group_dup(group_list_t **tab_group, int nb_groups){
 
   return res;
 }
+#endif
 
-int8_t **indep_mat_dup(int8_t** mat, int n){
+#if 0
+static int8_t **indep_mat_dup(int8_t** mat, int n){
   int i;
   int8_t ** res = (int8_t**)MALLOC(sizeof(int8_t*)*n);
   int row_len;
@@ -895,9 +900,9 @@ int8_t **indep_mat_dup(int8_t** mat, int n){
 
   return res;
 }
+#endif
 
-
-void  partial_exhaustive_search(int nb_args, void **args, int thread_id){
+static void  partial_exhaustive_search(int nb_args, void **args, int thread_id){
   int i, j;
   group_list_t **selection = NULL;
   double val;
@@ -921,7 +926,7 @@ void  partial_exhaustive_search(int nb_args, void **args, int thread_id){
 
   if(nb_args!=9){
     if(verbose_level>=ERROR){
-      fprintf(stderr, "Id: %d: bad number of argument for function %s: %d instead of 9\n", thread_id, __FUNCTION__, nb_args);
+      fprintf(stderr, "Id: %d: bad number of argument for function %s: %d instead of 9\n", thread_id, __func__, nb_args);
       return;
     }
   }
@@ -1004,19 +1009,20 @@ void  partial_exhaustive_search(int nb_args, void **args, int thread_id){
 }
 
 
-
-int dbl_cmp_dec(const void* x1,const void* x2)
+#if 0
+static int dbl_cmp_dec(const void* x1,const void* x2)
 {
   return *((double *)x1) > *((double *)x2) ? -1 : 1;
 }
-int dbl_cmp_inc(const void* x1,const void* x2)
+#endif
+static int dbl_cmp_inc(const void* x1,const void* x2)
 {
   return *((double *)x1) < *((double *)x2) ? -1 : 1;
 }
 
 
 
-double *build_bound_array(double *tab, int n){
+static double *build_bound_array(double *tab, int n){
   int i;
   double *bound;
 
@@ -1045,7 +1051,7 @@ double *build_bound_array(double *tab, int n){
   return bound;
 }
 
-work_unit_t *create_work_unit(work_unit_t *cur,  int *tab,int size){
+static work_unit_t *create_work_unit(work_unit_t *cur,  int *tab,int size){
   work_unit_t *res = (work_unit_t *) CALLOC(1,sizeof(work_unit_t));
   int *tab_group = MALLOC(size*sizeof(int));
   memcpy(tab_group, tab, size*sizeof(int));
@@ -1056,7 +1062,7 @@ work_unit_t *create_work_unit(work_unit_t *cur,  int *tab,int size){
   return res;
 }
 
-work_unit_t *generate_work_units(work_unit_t *cur,  int i, int id, int *tab_group,int size, int id_max){
+static work_unit_t *generate_work_units(work_unit_t *cur,  int i, int id, int *tab_group,int size, int id_max){
 
   tab_group[i] = id;
   if(i==size-1){
@@ -1076,7 +1082,7 @@ work_unit_t *generate_work_units(work_unit_t *cur,  int i, int id, int *tab_grou
 }
 
 
-work_unit_t *create_tab_work(int n){
+static work_unit_t *create_tab_work(int n){
   int work_size = 4;
   int i;
   work_unit_t *cur,*res = (work_unit_t *) CALLOC(1,sizeof(work_unit_t));
@@ -1100,7 +1106,7 @@ work_unit_t *create_tab_work(int n){
 }
 
 
-int thread_exhaustive_search(group_list_t **tab_group, int nb_groups, int arity, int solution_size, double *best_val,
+static int thread_exhaustive_search(group_list_t **tab_group, int nb_groups, int arity, int solution_size, double *best_val,
 			 group_list_t **best_selection){
 
   pthread_mutex_t lock;
@@ -1203,8 +1209,8 @@ int thread_exhaustive_search(group_list_t **tab_group, int nb_groups, int arity,
   return 0;
 }
 
-
-int old_recurs_exhaustive_search(group_list_t **tab, int i, int n, int arity, int d, int solution_size, double val, double *best_val, group_list_t **selection, group_list_t **best_selection, int8_t **indep_mat)
+#if 0
+static int old_recurs_exhaustive_search(group_list_t **tab, int i, int n, int arity, int d, int solution_size, double val, double *best_val, group_list_t **selection, group_list_t **best_selection, int8_t **indep_mat)
 {
   group_list_t *elem = NULL;
 
@@ -1243,10 +1249,10 @@ int old_recurs_exhaustive_search(group_list_t **tab, int i, int n, int arity, in
 
   return 0;
 }
+#endif
 
-
-
-int recurs_exhaustive_search(group_list_t **tab, int i, int n, int arity, int d, int solution_size, double val, double *best_val, group_list_t **selection, group_list_t **best_selection, int8_t **indep_mat, int* tab_i)
+#if 0
+static int recurs_exhaustive_search(group_list_t **tab, int i, int n, int arity, int d, int solution_size, double val, double *best_val, group_list_t **selection, group_list_t **best_selection, int8_t **indep_mat, int* tab_i)
 {
   group_list_t *elem = NULL;
 
@@ -1296,10 +1302,10 @@ int recurs_exhaustive_search(group_list_t **tab, int i, int n, int arity, int d,
 
   return 0;
 }
+#endif
 
-
-
-int  exhaustive_search(group_list_t **tab_group, int n, int arity, int solution_size, double *best_val,
+#if 0
+static int  exhaustive_search(group_list_t **tab_group, int n, int arity, int solution_size, double *best_val,
 			       group_list_t **best_selection)
 {
   int i, j;
@@ -1359,7 +1365,7 @@ int  exhaustive_search(group_list_t **tab_group, int n, int arity, int solution_
 
   return 0;
 }
-
+#endif
 
 
 int  select_independent_groups_by_largest_index(group_list_t **tab_group, int n, int arity, int solution_size, double *best_val, group_list_t **best_selection, int bound, double max_duration)
@@ -1560,7 +1566,7 @@ double fast_grouping(tm_affinity_mat_t *aff_mat, tm_tree_t *tab_node, tm_tree_t
   return val;
 }
 
-double k_partition_grouping(tm_affinity_mat_t *aff_mat, tm_tree_t *tab_node, tm_tree_t *new_tab_node, int arity, int solution_size) {
+static double k_partition_grouping(tm_affinity_mat_t *aff_mat, tm_tree_t *tab_node, tm_tree_t *new_tab_node, int arity, int solution_size) {
   int *partition = NULL;
   int n = aff_mat->order;
   com_mat_t com_mat;
diff --git a/ompi/mca/topo/treematch/treematch/treematch.h b/ompi/mca/topo/treematch/treematch/treematch.h
index 920dffcbae..8891c819d0 100644
--- a/ompi/mca/topo/treematch/treematch/treematch.h
+++ b/ompi/mca/topo/treematch/treematch/treematch.h
@@ -168,7 +168,7 @@ void tm_free_affinity_mat(tm_affinity_mat_t *aff_mat);
 void tm_set_verbose_level(unsigned int level);
 unsigned int  tm_get_verbose_level(void);
 /* finalize treematch :check memory if necessary, and free internal variables (thread pool)*/
-void tm_finalize();
+void tm_finalize(void);
 
 /*
 Ask for exhaustive search: may be very long
@@ -176,7 +176,7 @@ Ask for exhaustive search: may be very long
    new_val != 0 : exhuative search
 */
 void tm_set_exhaustive_search_flag(int new_val);
-int tm_get_exhaustive_search_flag();
+int tm_get_exhaustive_search_flag(void);
 
 
 /* Setting the maximum number of threads you want to use in parallel parts of TreeMatch */