diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/bytecomp.el | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index 356f0d7890b..064a7aeb768 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -3562,10 +3562,16 @@ that suppresses all warnings during execution of BODY." ;; emacs/xemacs tests have been optimized away, so this is ;; not doing anything useful here, is should probably be ;; moved to a different place. - ;; (byte-compile-warnings - ;; (if (member ,condition '((featurep 'xemacs) - ;; (not (featurep 'emacs)))) - ;; nil byte-compile-warnings)) + ;; It is doing _something_. If this is commented out, then + ;; compiling a file which requires another file which + ;; defines a defsubst that uses (featurep 'xemacs) results + ;; in a spurious compilation warning about the xemacs code. Eg: + ;; (defsubst foo () (if (featurep 'xemacs) (setq foo t))) + ;; where foo is a free variable. + (byte-compile-warnings + (if (member ,condition '((featurep 'xemacs) + (not (featurep 'emacs)))) + nil byte-compile-warnings)) ) (unwind-protect (progn ,@body) |