diff --git a/src/roxml_cat.c b/src/roxml_cat.c
index 11e42d9..4320efd 100644
--- a/src/roxml_cat.c
+++ b/src/roxml_cat.c
@@ -5,6 +5,7 @@
 #include <getopt.h>
 #include <string.h>
 #include <errno.h>
+#include <libgen.h>
 #include "roxml.h"
 
 static struct option long_options[] =
diff --git a/src/roxml_mem.c b/src/roxml_mem.c
index 91b5db2..bf757bb 100644
--- a/src/roxml_mem.c
+++ b/src/roxml_mem.c
@@ -135,7 +135,7 @@ ROXML_INT void *roxml_malloc(int size, int num, int type)
 	cell->next->prev = cell;
 	cell = cell->next;
 	cell->type = type;
-	cell->id = pthread_self();
+	cell->id = (unsigned long)pthread_self();
 	cell->occ = size;
 	cell->ptr = calloc(num, size);
 	head_cell.prev = cell;
diff --git a/src/roxml_utils.h b/src/roxml_utils.h
index 3f50976..f5fc582 100644
--- a/src/roxml_utils.h
+++ b/src/roxml_utils.h
@@ -48,7 +48,7 @@ ROXML_STATIC_INLINE ROXML_INT int roxml_unlock(node_t *n)
 #else /* CONFIG_XML_THREAD_SAFE==1 */
 ROXML_STATIC_INLINE ROXML_INT unsigned long int roxml_thread_id(node_t *n)
 {
-	return pthread_self();
+	return (unsigned long)pthread_self();
 }
 
 ROXML_STATIC_INLINE ROXML_INT int roxml_lock_init(node_t *n)