(rule
 (alias print_context)
 (action (echo %{context_name})))

(library
 (name bar)
 (modules bar)
 (enabled_if (= %{context_name} "not-the-context-name")))

(library
 (name foo)
 (modules foo)
 (enabled_if (= %{context_name} "default")))

(executable
 (name bar_exe)
 (modules bar_exe)
 (libraries bar))

(executable
 (name foo_exe)
 (modules foo_exe)
 (libraries foo))
