import elinks 0.11.7.
more strictly check KCN related library locations.
more strictly check KCN related libraries.
ignore files generated by configuring script.
ignore files generated by make.
compile with KCN library.
remove Makefile that works only on NetBSD.
generate Makefile by autoconf tool.
ignore files generated by configuring script.
include ping.h properly.
define dummy macros for BSD dependent macros.
include a header file that excludes OS dependencies.
use BSD-fashion member names of a struct udphdr.
do not include header files when they do not exist on a platform.
ignore files generated by autoconf tools.
remove unnecessary macro.
define default TTL.
add missing functions or use alternative function.
check to see if a member variable, icmp_nextmtu, exists in struct icmp.
do not compile rump related codes when rump is not available.