Add local assert function to avoid problems with memory allocation in

the real one.

malloc/malloc.c

@@ -329,7 +329,29 @@ extern "C" {
   or other mallocs available that do this.
 */
 
-#include <assert.h>
+#ifdef NDEBUG
+# define assert(expr) ((void) 0)
+#else
+# define assert(expr) \
+  ((expr)								      \
+   ? ((void) 0)								      \
+   : __malloc_assert (__STRING (expr), __FILE__, __LINE__, __func__))
+
+extern const char *__progname;
+
+static void
+__malloc_assert (const char *assertion, const char *file, unsigned int line,
+		 const char *function)
+{
+  (void) __fxprintf (NULL, "%s%s%s:%u: %s%sAssertion `%s' failed.\n",
+		     __progname, __progname[0] ? ": " : "",
+		     file, line,
+		     function ? function : "", function ? ": " : "",
+		     assertion);
+  fflush (stderr);
+  abort ();
+}
+#endif
 
 
 /*