--- config/ax_cxx_gcc_abi_demangle.m4	2009-05-25 14:19:44.000000000 -0400
+++ config/ax_cxx_gcc_abi_demangle.m4	2009-05-25 14:20:02.000000000 -0400
@@ -15,6 +15,7 @@
  AC_LANG_CPLUSPLUS
  AC_TRY_COMPILE([#include <typeinfo>
 #include <cxxabi.h>
+#include <malloc.h>
 #include <string>
 
 template<typename TYPE>