Guile (3.0.8) reports a compilation error when cond-expand tries to
check existence of a missing library:
scheme@(guile-user)> (define-library (test)
(cond-expand
((library (scheme sort))
(import (scheme sort)))))
While compiling expression:
no code for module (scheme sort)
It looks like bug #40252 was not fully eliminated.
Also, (library ...) cannot handle module names like (srfi 1), though
(import (srfi 1)) works fine. For example, this code fails:
scheme@(guile-user)> (define-library (test)
(cond-expand
((library (srfi 1))
(import (srfi 1)))))
While compiling expression:
In procedure symbol->string: Wrong type argument in position 1
(expecting symbol): 1
There are probably other cases when (library ...) and (import ...) does
not work identically: (library ...) uses resolve-interface while
(import ...) uses resolve-r6rs-interface.
This patch fixes both issues.
diff --git a/module/ice-9/r7rs-libraries.scm b/module/ice-9/r7rs-libraries.scm
index c4c4da22f..63a300a26 100644
--- a/module/ice-9/r7rs-libraries.scm
+++ b/module/ice-9/r7rs-libraries.scm
@@ -55,7 +55,10 @@
((not req)
(not (has-req? #'req)))
((library lib-name)
- (->bool (resolve-interface (syntax->datum #'lib-name))))
+ (->bool
+ (false-if-exception
+ (resolve-r6rs-interface
+ (syntax->datum #'lib-name)))))
(id
(identifier? #'id)
;; FIXME: R7RS (features) isn't quite the same as
--
Mihail Iosilevitch
