I've never built the NetBSD userland.  I'd like to know if there's any
liability to building just one tool (or library), for testing.  

I was going to send-pr a complaint about iconv(1).  I think the following
error message is misleading:

	$ echo '' | iconv -f ucs-2le -t ascii
	iconv: iconv(): Invalid argument

You can spend quite awhile reading the iconv man page before you guess
that the "argument" in question belongs to neither -f nor -t, but the
input.  

iconv(3) should return EILSEQ in the above case, and I think the error
message should say so.  

Then I thought, I can be a boy scout and fix it, so I'm pulled
/usr/src/usr.bin from CVS.  "cd src/usr.bin/iconv/ && make" works. 
Everything seems OK.  

My question is, do I have to build the whole thing first?  I don't want
to, because I'd rather not check out the branch I'm using.  I'd rather try
to build only /usr/bin/iconv from current sources on my netbsd-2-0-RELEASE
box.  

Many thanks for your advice.  

--jkl