ENH: Add initial check for existence of libccaosdb

src/CaosDB.jl

@@ -24,10 +24,15 @@
 
 module CaosDB
 
+using Libdl
+
 """
 Chose the name of the library according to the OS you're running.
 """
 library_name = (@static Sys.iswindows() ? "ccaosdb" : "libccaosdb")
+if isempty(find_library(library_name))
+    @error "Could not find $library_name"
+end
 
 module Exceptions