--- yacc-orig.c	2007-10-20 14:39:28.000000000 -0400
+++ yacc.c	2007-10-20 14:51:21.000000000 -0400
@@ -344,13 +344,24 @@
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc
 #   if ! defined malloc && ! defined _STDLIB_H && ]b4_c_modern[
+#     if defined(__cplusplus)
+	/* in case malloc has exception specification */
+#       include <cstdlib>
+using std::malloc;
+#     else
 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#     endif
 #   endif
 #  endif
 #  ifndef YYFREE
 #   define YYFREE free
 #   if ! defined free && ! defined _STDLIB_H && ]b4_c_modern[
+#     if defined(__cplusplus)
+#       include <cstdlib>
+using std::free;
+#     else
 void free (void *); /* INFRINGES ON USER NAME SPACE */
+#     endif
 #   endif
 #  endif
 # endif