---- links-2.1pre20/configure.in.orig 2005-12-21 15:23:49.000000000 +0000
-+++ links-2.1pre20/configure.in 2005-12-21 15:23:59.000000000 +0000
-@@ -18,7 +18,7 @@
+diff -ur links-2.13_/configure.in links-2.13/configure.in
+--- links-2.13_/configure.in 2016-06-27 01:46:14.000000000 +0300
++++ links-2.13/configure.in 2016-11-26 19:47:18.618525341 +0200
+@@ -23,7 +23,7 @@
dnl Checks for programs.
AC_PROG_CC
--#AC_PROG_CXX
+-dnl AC_PROG_CXX
+AC_PROG_CXX
- #AC_PROG_AWK
- #AM_PROG_LEX
- #AC_PROG_YACC
+ dnl AC_PROG_AWK
+ dnl AM_PROG_LEX
+ dnl AC_PROG_YACC