--- ./src/bson/bson-memory.c.ORIGIN	2018-04-17 15:39:03 +0200
+++ ./src/bson/bson-memory.c	2018-04-17 15:40:59 +0200
@@ -17,6 +17,8 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
+#include <errno.h>
 
 #include "bson-atomic.h"
 #include "bson-config.h"
@@ -66,6 +68,7 @@
 
    if (BSON_LIKELY (num_bytes)) {
       if (BSON_UNLIKELY (!(mem = gMemVtable.malloc (num_bytes)))) {
+         fprintf (stderr, "Failure to allocate memory in bson_malloc(). errno: %d.\n", errno);
          abort ();
       }
    }
@@ -103,6 +106,7 @@
 
    if (BSON_LIKELY (num_bytes)) {
       if (BSON_UNLIKELY (!(mem = gMemVtable.calloc (1, num_bytes)))) {
+         fprintf (stderr, "Failure to allocate memory in bson_malloc0(). errno: %d.\n", errno);
          abort ();
       }
    }
@@ -150,6 +154,7 @@
    mem = gMemVtable.realloc (mem, num_bytes);
 
    if (BSON_UNLIKELY (!mem)) {
+      fprintf (stderr, "Failure to re-allocate memory in bson_realloc(). errno: %d.\n", errno);
       abort ();
    }