Merge: build from gnulib a bit better; document autoreconf.
authorPaul Eggert <eggert@cs.ucla.edu>
Wed, 19 Jan 2011 23:59:52 +0000 (15:59 -0800)
committerPaul Eggert <eggert@cs.ucla.edu>
Wed, 19 Jan 2011 23:59:52 +0000 (15:59 -0800)

Trivial merge