[OE-core] autotools: Remove help2man dependency

[Joshua Lock]

On Thu, 2011-09-29 at 11:07 -0700, Joshua Lock wrote:
> On Thu, 2011-09-29 at 15:52 +0100, Richard Purdie wrote:
> > The help2man script is pretty useless to us. It requires to run the target
> > binary to extract help information which is not possible for any of our
> > cross compiled target binaries.
> > 
> > We're not interested in man pages for -cross/-native tools.
> > 
> > It therefore makes no sense to have this as a core build dependency.
> > 
> > This patch removes the dependeny and replaces it with a script
> > returning false. This will trigger autotool's missing utility
> > to use the copy of the man page included with the sources which
> > is what would already happen when we tried to run cross compiled
> > binaries anyway.
> > 
> > Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
> Signed-off-by: Joshua Lock <josh at linux.intel.com>
> 
> Great!

By way of a follow on this patch "resolves" Yocto #1533 by no longer
calling help2man on the host.

http://bugzilla.yoctoproject.org/show_bug.cgi?id=1533

Cheers,
Joshua
-- 
Joshua Lock
        Yocto Project "Johannes factotum"
        Intel Open Source Technology Centre