GNU bug report logs - #14551
compiler fails to track eval-when-compile in required files

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From: Glenn Morris <rgm <at> gnu.org>
To: 14551 <at> debbugs.gnu.org
Subject: bug#14551: compiler fails to track eval-when-compile in required files
Date: Mon, 03 Jun 2013 16:30:27 -0400

Package: emacs
Severity: minor
Version: 24.3

(I guess this issue has always been present.)

Suppose we have three files:


foo.el:
(require 'lib)
(defun foo ()
  (lib2-func))


lib.el:
(eval-when-compile
  (require 'lib2))
(provide 'lib)


lib2.el:
(defun lib2-func ()
  t)
(provide 'lib2)


rm lib*.elc
emacs -Q -L . -batch -f batch-byte-compile foo.el

produces no warnings.

If lib.el is compiled first though:
emacs -Q -L . -batch -f batch-byte-compile lib.el
emacs -Q -L . -batch -f batch-byte-compile foo.el

In end of data:
foo.el:6:1:Warning: the function `lib2-func' is not known to be defined.


eval-when-compile is equivalent to progn in uncompiled code, and the
compiler doesn't compile things brought in by require.

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