diff options
| -rw-r--r-- | guix/packages.scm | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/guix/packages.scm b/guix/packages.scm index 6f276160f2..cd5df9130b 100644 --- a/guix/packages.scm +++ b/guix/packages.scm @@ -481,7 +481,8 @@ one-indexed line numbers." (define-syntax define-public* (lambda (s) "Like 'define-public' but set 'current-definition-location' for the -lexical scope of its body." +lexical scope of its body. (This also disables notification of \"module +observers\", but this is unlikely to affect anyone.)" (define location (match (syntax-source s) (#f #f) @@ -498,10 +499,21 @@ lexical scope of its body." (syntax-case s () ((_ prototype body ...) - #`(define-public prototype - (syntax-parameterize ((current-definition-location - (lambda (s) #,location))) - body ...)))))) + (with-syntax ((name (syntax-case #'prototype () + ((id _ ...) #'id) + (id #'id)))) + #`(begin + (define prototype + (syntax-parameterize ((current-definition-location + (lambda (s) #,location))) + body ...)) + + ;; Note: Use 'module-export!' directly to avoid emitting a + ;; 'call-with-deferred-observers' call for each 'define-public*' + ;; instance, which is not only pointless but also contributes to + ;; code bloat and to load-time overhead in package modules. + (eval-when (expand load eval) + (module-export! (current-module) '(name))))))))) (define-syntax validate-texinfo (let ((validate? (getenv "GUIX_UNINSTALLED"))) |