[racket] drracket -singleInstance

From: David Bremner (david at tethera.net)
Date: Wed Mar 26 17:44:46 EDT 2014

Matthew Flatt <mflatt at cs.utah.edu> writes:

> Do you have "libunique-1.0" installed?
> I intended to make `-singleInstance` log an error when "libunique-1.0"
> is not found, but I think I never got around to it.

I assume I just need it at run time? I just installed it, and following
seems to work, but -singleInstance still seems to be ignored.

#lang racket/base
(require ffi/unsafe)
(ffi-lib "libunique-1.0" '("0"))

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