diff options
| -rw-r--r-- | guix/build/bournish.scm | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/guix/build/bournish.scm b/guix/build/bournish.scm index 247a687d80..31fc493b09 100644 --- a/guix/build/bournish.scm +++ b/guix/build/bournish.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2016, 2017, 2020 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il> ;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net> ;;; @@ -83,7 +83,21 @@ TERMINAL-WIDTH. Use COLUMN-GAP spaces between two subsequent columns." (newline) (loop (map 1+ indexes))))) -(define ls-command-implementation +(define-syntax define-command-runtime + (syntax-rules () + "Define run-time support of a Bournish command. This macro ensures that +the implementation is not subject to inlining, which would prevent compiled +code from referring to it via '@@'." + ((_ (command . args) body ...) + (define-command-runtime command (lambda args body ...))) + ((_ command exp) + (begin + (define command exp) + + ;; Prevent inlining of COMMAND. + (set! command command))))) + +(define-command-runtime ls-command-implementation ;; Run-time support procedure. (case-lambda (() @@ -173,13 +187,13 @@ TERMINAL-WIDTH. Use COLUMN-GAP spaces between two subsequent columns." (call-with-input-file file lines+chars))) (format #t "~a ~a~%" chars file))) -(define (wc-command-implementation . files) +(define-command-runtime (wc-command-implementation . files) (for-each wc-print (filter file-exists?* files))) -(define (wc-l-command-implementation . files) +(define-command-runtime (wc-l-command-implementation . files) (for-each wc-l-print (filter file-exists?* files))) -(define (wc-c-command-implementation . files) +(define-command-runtime (wc-c-command-implementation . files) (for-each wc-c-print (filter file-exists?* files))) (define (wc-command . args) |