+iconv If iconv is not provided by the c library \
+ you need to change the Makefile to link it \
+ into the binary.
+-------------------------------------------------------------------------------
+
+The following optional tools and packages are needed for creating the
+configure script and building documentation:
+
+`-------------------------------`----------------------------------------------
+autoconf Contains autoreconf for generating configure \
+ from configure.ac.
+asciidoc (>= 8.0) Generates HTML and (DocBook) XML from text.
+xmlto Generates manpages and chunked HTML from XML.
+DocBook XSL (>= 1.72.0) Used by xmlto for building manpages.
+DocBook (DSSL/Jade) tools Generates PDF from XML. \
+ Also known as docbook-utils.