Updating top-level autoconf to 2.59

[Alexandre Oliva]

On Feb  9, 2007, Michael Eager <eager@eagercon.com> wrote:

> But autoconf doesn't seem to distinguish between --host or --build
> being specified explicitly and when it guesses what they should be.

That's documented as transitioning behavior, because build used to
default to host, whereas now it's host that defaults to build.

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}