- (declare (type simple-string name))
- ;; OpenBSD is non-ELF, and needs a _ prefix
- #!+openbsd (concatenate 'string "_" name)
- ;; The other (ELF) ports currently don't need any prefix
- #!-openbsd name)
+ (declare (type string name))
+ ;; ELF ports currently don't need any prefix
+ (typecase name
+ (simple-base-string name)
+ (base-string (coerce name 'simple-base-string))
+ (t (handler-case (coerce name 'simple-base-string)
+ (type-error () (error "invalid external alien name: ~S" name))))))