We have recently installed on linux
[root@host ~]# cd ~
[root@host ~]# wget http://ftp.easysw.com/pub/htmldoc/1.8.27/htmldoc-1.8.27-source.zip
[root@host ~]# unzip htmldoc-1.8.27-source.zip
[root@host ~]# cd htmldoc-1.8.27
[root@host ~]# ./configure
[root@host ~]# make
[root@host ~]# make install
[root@host ~]# cd ~
[root@host ~]# wget http://ftp.easysw.com/pub/htmldoc/1.8.27/htmldoc-1.8.27-source.zip
[root@host ~]# unzip htmldoc-1.8.27-source.zip
[root@host ~]# cd htmldoc-1.8.27
[root@host ~]# ./configure
[root@host ~]# make
[root@host ~]# make install