[Xmonad] how to install?

Donald Bruce Stewart dons at cse.unsw.edu.au
Sun Apr 15 20:15:02 EDT 2007

> On Fri, Apr 13, 2007 at 06:04:46PM -0600, Jason Creighton wrote:
> > I poked around the cabal docs for a bit, and I didn't see any obvious
> > way to get cabal to check for the presence of certain headers. Also, if
> > the headers weren't there, we couldn't really do anything anyway, other
> > than fail with a friendlier error.
> Argh! That seems crazy.  How can cabal not have support for looking for
> libraries? It's not so hard to write, but this seems like it'd be
> critical--certainly it'll be critical if we're going to use cabal for darcs
> (as Eric is in the process of doing).

Well, it does via ./configure scripts.

> > I wonder if the Xinerama module should be a separate package anyway.
> > What do you guys think about that?
> It could be, but then we'd still depend on the module, unless cabal
> supports optional package dependencies.  I'd rather have a compile-time

Right, which it doesn't. This is what the cabal configurations stuff is
proposed to solve.

> check whether xinerama is present, and preferably if it's not present then
> we should emit a warning (WARNING: compiling without xinerama support!!!)
> and compile an X11-extras with the same API, but which assumes just one
> screen.  It doesn't seem like it should be that hard, and reducing the
> number of libraries required would definitely be a Good Thing.  Most people
> don't actually have two monitors.

Ok. This is possible. We use a ./configure script, emit a warning, set a
cpp define in config.h, then compile with or without xinerama.

-- Don

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