cond-expand and import

Hi all,

the (module) and (import) macros, or whatever they
are, have never ceased to surprise me, with issues
ranging from compilation problems to (define-macro)
behavior inside a module.

Here's the latest, which happens in both 1.13.7 and
1.15 beta:

netcafe:~# cat >x.scm
(module x (f)
  (define (f x) x)
)

netcafe:~# sisc
SISC (1.13.7)
#;> (cond-expand (sisc (require-library 'x) (import
x)))
Error: import from unknown module x

However,

netcafe:~# sisc
SISC (1.13.7)
#;> (cond-expand (sisc (require-library 'x)))
(x)
#;> (cond-expand (sisc (import  x)))
#;> f
#<procedure |@x::f|>

Wrapping the (require) and (import) in a begin does
not help. And, of course, the very useful

#;> (define-syntax reqimp (syntax-rules ()
((_ lib)
(begin (require-library 'lib) (import lib)))))
#;> (reqimp x)
Error: import from unknown module x

does not work.

For comparison, the cond-expand snippet works in
Chicken; reqimp, however, doesn't.

Frustrated,
Dan

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