libxml2

--with-history depends on libedit and netbsd-curses
Do not depend on icu
Some distributions enable legacy for ABI compatibility
In legacy mode support for http, lzma and zlib is enabled by default
The “legacy” configuration option won’t enable support for HTTP and LZMA anymore. These features will be removed in the next release.
SAX1 is deprecated
Test suite is optional and requires additional download xmlts on LFS?
Support for FTP and xpointer() XPath extensions has been deprecated
Should we leave xinclude enabled? or is it deprecated as well?
Check OpenBSD for bsdtar patches to xstc

References