From unknown Mon Aug 18 14:19:38 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#11928 <11928@debbugs.gnu.org> To: bug#11928 <11928@debbugs.gnu.org> Subject: Status: Spurious bytecomp warning "reference to free variable" when variable defined in required library without an initvalue Reply-To: bug#11928 <11928@debbugs.gnu.org> Date: Mon, 18 Aug 2025 21:19:38 +0000 retitle 11928 Spurious bytecomp warning "reference to free variable" when v= ariable defined in required library without an initvalue reassign 11928 emacs submitter 11928 Michael Hoffman severity 11928 minor tag 11928 notabug thanks From debbugs-submit-bounces@debbugs.gnu.org Thu Jul 12 22:30:08 2012 Received: (at submit) by debbugs.gnu.org; 13 Jul 2012 02:30:08 +0000 Received: from localhost ([127.0.0.1]:37296 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SpVdw-0005bR-2g for submit@debbugs.gnu.org; Thu, 12 Jul 2012 22:30:08 -0400 Received: from eggs.gnu.org ([208.118.235.92]:56528) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SpV4k-0004o6-K3 for submit@debbugs.gnu.org; Thu, 12 Jul 2012 21:53:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SpUzK-0002cW-EQ for submit@debbugs.gnu.org; Thu, 12 Jul 2012 21:48:11 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.2 Received: from lists.gnu.org ([208.118.235.17]:35485) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SpUzK-0002cR-BB for submit@debbugs.gnu.org; Thu, 12 Jul 2012 21:48:10 -0400 Received: from eggs.gnu.org ([208.118.235.92]:39705) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SpUzI-0005V1-Qq for bug-gnu-emacs@gnu.org; Thu, 12 Jul 2012 21:48:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SpUzH-0002bk-Go for bug-gnu-emacs@gnu.org; Thu, 12 Jul 2012 21:48:08 -0400 Received: from mail-pb0-f41.google.com ([209.85.160.41]:60717) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SpUzH-0002b9-AF for bug-gnu-emacs@gnu.org; Thu, 12 Jul 2012 21:48:07 -0400 Received: by pbbrp2 with SMTP id rp2so5320780pbb.0 for ; Thu, 12 Jul 2012 18:48:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:from:date:x-google-sender-auth:message-id :subject:to:content-type:x-gm-message-state; bh=9AOrFChAJxWwr68Lsbz3yN2SEqkAQwGhJP9A8Xt0e3k=; b=XhDScOpgkQ07Dzbe7mFJzubs3cHf/AME+D6towJwHlT/50BnU/pzoLdGKmSBEj/sHG uwuIF8IWfoyfUu15El7PI4tgQwPRJsdymdrNQuzMDt3LFJXqfiSGPpcvbpAAPlESrpIB t1dRX3uuC4ZWRNR8darKE7umxrwiXEhV3cxNxHQXwnQiFkgeInzXBI0qE7e1XQdeDrUy ynGSBSpSdLBBjc+noG7asVR98tlPmoOb6h0SjFEu7JOGdbhtbh5IjNTSRCEGs34zO7Ss jKXMztikItd4F5yFebylk6gWQhpNSgyBOL1eKuREkV21f4X8/IawPKjOtx736GWDcDm2 Rj3g== Received: by 10.68.202.136 with SMTP id ki8mr10180415pbc.65.1342144084425; Thu, 12 Jul 2012 18:48:04 -0700 (PDT) MIME-Version: 1.0 Received: by 10.142.163.21 with HTTP; Thu, 12 Jul 2012 18:47:43 -0700 (PDT) From: Michael Hoffman Date: Thu, 12 Jul 2012 18:47:43 -0700 X-Google-Sender-Auth: BRZJLw9ZfwDYmQwXbECB9s23Me4 Message-ID: Subject: Spurious bytecomp warning "reference to free variable" when variable defined in required library without an initvalue To: bug-gnu-emacs@gnu.org Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQn6skx7rY6SD6jAhiOhgq5IA3wRirDVIq3Q6TSzeC+oH1mdv86+CRnvVkQp4X3wLao31kXs X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 208.118.235.17 X-Spam-Score: -6.1 (------) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Thu, 12 Jul 2012 22:30:06 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.1 (------) This bug report will be sent to the Bug-GNU-Emacs mailing list and the GNU bug tracker at debbugs.gnu.org. Please check that the From: line contains a valid email address. After a delay of up to one day, you should receive an acknowledgement at that address. Please write in English if possible, as the Emacs maintainers usually do not have translators for other languages. Please describe exactly what actions triggered the bug, and the precise symptoms of the bug. If you can, give a recipe starting from `emacs -Q': ==== cat > outer.el << EOF (eval-when-compile (add-to-list 'load-path ".") (require 'inner)) (defun my-function () inner-a inner-b) EOF cat > inner.el << EOF (defvar inner-a) (defvar inner-b t) (provide 'inner) EOF emacs -Q -batch -f batch-byte-compile outer.el ==== This produces: ==== In my-function: outer.el:5:3:Warning: reference to free variable `inner-a' Wrote /net/noble/vol2/home/mmh1/src/experimental/bytecode2/outer.elc ==== I expected there to be no warning, as there is no warning for the reference of inner-b, which has an initvalue (t). If Emacs crashed, and you have the Emacs process in the gdb debugger, please include the output from the following gdb commands: `bt full' and `xbacktrace'. For information about debugging Emacs, please read the file /net/gs/vol3/software/modules-sw/emacs/24.1/Linux/RHEL6/x86_64/share/emacs/24.1/etc/DEBUG. In GNU Emacs 24.1.2 (x86_64-unknown-linux-gnu, GTK+ Version 2.18.9) of 2012-06-21 on rhel6-x64.grid.gs.washington.edu Windowing system distributor `Red Hat, Inc.', version 11.0.11004000 Configured using: `configure '--without-gif' '--with-x' '--with-x-toolkit=gtk' '--prefix=/net/gs/vol3/software/modules-sw/emacs/24.1/Linux/RHEL6/x86_64' 'LDFLAGS=-L/net/gs/vol3/software/modules-sw/boost/1.45.0/Linux/RHEL6/x86_64/lib/ -L/net/gs/vol3/software/modules-sw/R/2.9.0/Linux/RHEL6/x86_64/lib/' 'CPPFLAGS=-I/net/gs/vol3/software/modules-sw/boost/1.45.0/Linux/RHEL6/x86_64/include/ -I/net/gs/vol3/software/modules-sw/R/2.9.0/Linux/RHEL6/x86_64/include/'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: en_US value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US.UTF-8 value of $XMODIFIERS: nil locale-coding-system: iso-latin-1-unix default enable-multibyte-characters: t Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent input: Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. Load-path shadows: None found. Features: (shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail regexp-opt rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils time-date tooltip ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image fringe lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces cus-face files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process dynamic-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs) From debbugs-submit-bounces@debbugs.gnu.org Fri Jul 13 02:27:35 2012 Received: (at 11928) by debbugs.gnu.org; 13 Jul 2012 06:27:35 +0000 Received: from localhost ([127.0.0.1]:38178 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SpZLj-0002fV-CU for submit@debbugs.gnu.org; Fri, 13 Jul 2012 02:27:35 -0400 Received: from fencepost.gnu.org ([208.118.235.10]:60775) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SpZLh-0002fO-FA for 11928@debbugs.gnu.org; Fri, 13 Jul 2012 02:27:34 -0400 Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1SpZGF-00081F-Nb; Fri, 13 Jul 2012 02:21:55 -0400 From: Glenn Morris To: Michael Hoffman Subject: Re: bug#11928: Spurious bytecomp warning "reference to free variable" when variable defined in required library without an initvalue References: X-Spook: Taiwan infowar Semtex Hugo Chavez Leitrim CIDA S Key X-Ran: G2hFP.M("8h>Yg+K6}J3"%)&gQTrZ#.7,BZPu+a*NyJ1Ijay8CqNIgiTL<<{_ (Michael Hoffman's message of "Thu, 12 Jul 2012 18:47:43 -0700") Message-ID: User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Spam-Score: -6.9 (------) X-Debbugs-Envelope-To: 11928 Cc: 11928@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.9 (------) Michael Hoffman wrote: > outer.el:5:3:Warning: reference to free variable `inner-a' > Wrote /net/noble/vol2/home/mmh1/src/experimental/bytecode2/outer.elc > ==== > > I expected there to be no warning, as there is no warning for the > reference of inner-b, which has an initvalue (t). defvar with no initvalue does not define the variable, it just silences compilation warnings when the containing file is compiled. But inner.el is not being compiled. From debbugs-submit-bounces@debbugs.gnu.org Sun Jul 29 19:48:11 2012 Received: (at control) by debbugs.gnu.org; 29 Jul 2012 23:48:12 +0000 Received: from localhost ([127.0.0.1]:49521 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SvdDX-0003Iu-Hi for submit@debbugs.gnu.org; Sun, 29 Jul 2012 19:48:11 -0400 Received: from fencepost.gnu.org ([208.118.235.10]:33531) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SvdDW-0003Ih-86 for control@debbugs.gnu.org; Sun, 29 Jul 2012 19:48:10 -0400 Received: from rgm by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1Svd6Z-0000nn-OO for control@debbugs.gnu.org; Sun, 29 Jul 2012 19:40:59 -0400 Date: Sun, 29 Jul 2012 19:40:59 -0400 Message-Id: Subject: control message for bug 11928 To: X-Mailer: mail (GNU Mailutils 2.1) From: Glenn Morris X-Spam-Score: -6.9 (------) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -6.9 (------) tag 11928 notabug close 11928 From unknown Mon Aug 18 14:19:38 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. 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