Index: include/asterisk/utils.h
===================================================================
--- include/asterisk/utils.h	(revision 432991)
+++ include/asterisk/utils.h	(working copy)
@@ -25,7 +25,10 @@
 
 #include "asterisk/network.h"
 
+#if defined(HAVE_BKTR)
 #include <execinfo.h>
+#endif
+
 #include <time.h>	/* we want to override localtime_r */
 #include <unistd.h>
 #include <string.h>
@@ -500,6 +503,7 @@
 #define ast_free free
 #define ast_free_ptr ast_free
 
+#if defined(HAVE_BKTR)
 /*
  * This buffer is in static memory. We never intend to read it,
  * nor do we care about multiple threads writing to it at the
@@ -520,6 +524,9 @@
 			ast_log(LOG_ERROR, "Memory Allocation Failure in function %s at line %d of %s\n", func, lineno, file); \
 		} \
 	} while (0)
+#else
+#define MALLOC_FAILURE_MSG do {} while (0)
+#endif
 
 /*!
  * \brief A wrapper for malloc()
Index: main/hashtab.c
===================================================================
--- main/hashtab.c	(revision 432991)
+++ main/hashtab.c	(working copy)
@@ -43,7 +43,7 @@
 #include "asterisk/hashtab.h"
 
 
-#ifndef __AST_DEBUG_MALLOC
+#if !defined(__AST_DEBUG_MALLOC) && defined(HAVE_BKTR)
 void *_ast_mem_backtrace_buffer[_AST_MEM_BACKTRACE_BUFLEN];
 #endif