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bug#8354: 23.3; GDB doesn't work with C


From: Stefan Kangas
Subject: bug#8354: 23.3; GDB doesn't work with C
Date: Tue, 21 Jan 2020 01:44:44 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Hi,

This was reported 9 years ago, but unfortunately never got a reply at
the time.

Are you still seeing any of the below issues with a modern version of
Emacs?  A lot of things has changed over the years, and it would be
good to hear the current status.

Best regards,
Stefan Kangas

David Reitter <address@hidden> writes:

> See below for a report detailing how GDB fails to work with 23 series builds 
> on OS X.
>
> FYI, the user refers to Aquamacs 1.9, which was based on the Emacs 22 branch 
> (latest revisions), and Aquamacs 2.x, which is based on Emacs 23.x.   
> Aquamacs 2.2. uses Emacs 23.3.
>
>
> Begin forwarded message:
>
> From: Eric Martin <address@hidden>
> Date: March 26, 2011 9:03:19 PM EDT
> To: address@hidden
> Subject: [Aquamacs-bugs] 23.3;
> Reply-To: Bug reports for Aquamacs Emacs <address@hidden>
>
> Dear Emacs maintainers,
>
> I am still Using Aquamacs 1.9 as an IDE for C programming as almost no 
> feature of gdb works with Aquamacs 2.*. Here is an example of a session with 
> two features that do not work:
>
> 1. Opening a file in C mode with the following contents:
>
> #include <stdio.h>
>
> int main(void) {
>    int a = 1;
>    return 0;
> }
>
> 2. Using Tools ... Compile with a Makefile whose contents is
>
> a.out: aaa.c
>       gcc -std=gnu99 -ggdb aaa.c
>
> 3. Using Tools... Debugger (GDB)
>
> 4. Setting a breakpoint before "return 0;" and starting executing the 
> program, that stops on that line.
>
> 5. Problem #1: Moving the point over "a" does not display the value of "a" in 
> a small box, as it does with Aquamacs 1.9.
>
> 6. Problem #2: Selecting "a" and clicking on "Watch expression" opens the 
> Speedbar but does not display the value of "a", as it does with Aquamacs 1.9 
> (with Aquamacs 1.9, the behaviour is still not perfect, as the values of 
> variables are not displayed dynamically in the Speedbar as they change, in 
> contrast to what happens when Emacs is run on some Linux platforms). 
>
> Thank you for your attention with respect to these issues.
>
> Best regards,
>
> Eric Martin.
>
> Please write in English if possible, because the Emacs maintainers
> usually do not have translators to read other languages for them.
>
> Your report will be posted to the address@hidden mailing list,
> and may appear in other public locations.
>
> Please describe exactly what actions triggered the bug
> and the precise symptoms of the bug.  If you can, give
> a recipe starting with an Aquamacs without customization
> for which see the Help / Diagnose and Report Bug menu:
>
> Enter your bug report here.
>
> 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
> /Applications/Aquamacs.app/Contents/Resources/etc/DEBUG.
>
>
> In GNU Emacs 23.3.1 (i386-apple-darwin9.8.0, NS apple-appkit-949.54)
> of 2011-03-19 on braeburn.aquamacs.org - Aquamacs Distribution 2.2
> Windowing system distributor `Apple', version 10.3.1038
> configured using `configure  '--with-ns' '--without-x' 'CC=gcc' 'CFLAGS=-O3 
> -fno-tree-pre -falign-loops -arch i386' 'LDFLAGS=-O3 -fno-tree-pre 
> -falign-loops -arch i386''
>
> Important settings:
>  value of $LC_ALL: nil
>  value of $LC_COLLATE: nil
>  value of $LC_CTYPE: nil
>  value of $LC_MESSAGES: nil
>  value of $LC_MONETARY: nil
>  value of $LC_NUMERIC: nil
>  value of $LC_TIME: nil
>  value of $LANG: nil
>  value of $XMODIFIERS: nil
>  locale-coding-system: nil
>  default enable-multibyte-characters: t
>
> Major mode: Text
>
> Minor modes in effect:
>  savehist-mode: t
>  smart-frame-positioning-mode: t
>  aquamacs-autoface-mode: t
>  recentf-mode: t
>  osx-key-mode: t
>  tabbar-mwheel-mode: t
>  tabbar-mode: t
>  show-paren-mode: t
>  delete-selection-mode: t
>  pc-selection-mode: t
>  cua-mode: t
>  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-encryption-mode: t
>  auto-compression-mode: t
>  smart-spacing-mode: t
>  column-number-mode: t
>  line-number-mode: t
>  visual-line-mode: t
>  transient-mark-mode: t
>
> Recent input:
> ^X ^F <backspace> ~ / ⇧D E S <tab> A A A <tab> <return> 
> <menu-bar> <tools> <compile> <return> <menu-bar> <tools> 
> <gdb> <return> ^X B <return> <down-mouse-1> <mouse-1> 
> ^X B <return> <help-echo> <help-echo> <help-echo> <down-mouse-1> 
> <mouse-1> <help-echo> <down-mouse-1> <mouse-1> B SPC 
> 5 <return> R <return> <help-echo> <down-mouse-1> <mouse-movement> 
> <drag-mouse-1> <tool-bar> <watch> <help-echo> <switch-frame> 
> <switch-frame> <down-mouse-1> <mouse-1> <menu-bar> 
> <help-menu> <bug-diagnosis> <send-emacs-bug-report
>> 
>
> Recent messages:
> Loading /Users/emartin/Library/Preferences/Aquamacs Emacs/Recent Files.el 
> (source)...done
> Cleaning up the recentf list...done (0 removed)
> 26 environment variables imported from login shell (/bin/bash).
> Loading 
> /Applications/Aquamacs.app/Contents/Resources/lisp/aquamacs/edit-modes/auctex.el
>  (source)...done
> one-buffer-one-frame-mode disabled.
> Mark set [32 times]
> Aquamacs is based on GNU Emacs, a part of the GNU/Linux system. It is Free 
> Software: you can improve and redistribute it under the GNU General Public 
> License, version 3 or later. Copyright (C) 2011 Free Software Foundation, 
> Inc. (C) 2011 D. Reitter. No Warranty.
> (No files need saving)
> Compilation finished
> Refreshing speedbar...done
>
> Load-path shadows:
> /Applications/Aquamacs.app/Contents/Resources/lisp/aquamacs/edit-modes/wikipedia-mode
>  hides 
> /Applications/Aquamacs.app/Contents/Resources/lisp/aquamacs/edit-modes/nxhtml/related/wikipedia-mode
> /Applications/Aquamacs.app/Contents/Resources/lisp/aquamacs/edit-modes/php-mode
>  hides 
> /Applications/Aquamacs.app/Contents/Resources/lisp/aquamacs/edit-modes/nxhtml/related/php-mode
>
> Features:
> (shadow sort mail-extr message ecomplete rfc822 mml mml-sec
> password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231
> rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader gnus-util netrc
> mm-util mail-prsvr gmm-utils mailheader canlock sha1 hex-util hashcash
> mail-utils emacsbug speedbar sb-image ezimage dframe assoc gdb-ui bindat
> json gud compile comint ring cc-mode cc-fonts cc-menus cc-cmds cc-styles
> cc-align cc-engine cc-vars cc-defs aquamacs-mode-defaults auctex-config
> server preview-latex tex-site auto-loads aquamacs-aux savehist mouse-sel
> one-buffer-one-frame smart-frame-positioning drews_init
> color-theme-autoloads saveplace visual-line aquamacs-bug
> aquamacs-autoface-mode aquamacs-editing sendmail recentf tree-widget
> cus-edit osxkeys emulate-mac-keyboard-mode frame-cmds strings misc-fns
> thingatpt+ thingatpt frame-fns avoid aquamacs-mac-fontsets fit-frame
> aquamacs-frame-setup aquamacs-tabbar tabbar-window cl cl-19 cus-start
> cus-load tabbar easy-mmode warnings aquamacs-site-start
> cocoa-compatibility smart-dnd filladapt aquamacs-redo check-for-updates
> aquamacs-menu osx_defaults aquamacs-tool-bar aquamacs
> mac-extra-functions aquamacs-tools aquamacs-macros parse-time timezone
> time-date paren delsel pc-select cua-base wid-edit regexp-opt advice
> advice-preload byte-opt bytecomp byte-compile debug help-fns help-mode
> view image-file disp-table tooltip ediff-hook vc-hooks lisp-float-type
> mwheel ns-win easymenu tool-bar dnd fontset image fringe lisp-mode
> register page menu-bar rfn-eshadow timer select scroll-bar mldrag 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
> loaddefs button minibuffer faces cus-face files text-properties overlay
> md5 base64 format env code-pages mule custom widget
> hashtable-print-readable backquote make-network-process ns multi-tty
> emacs)
>
> Command line: (/Applications/Aquamacs.app/Contents/MacOS/Aquamacs)
>
> PATH: 
> /usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/texbin:/usr/X11/bin:/opt/local/bin:/Developer/usr/bin:/usr/X11R6/bin:/Applications/pig-0.8.0/bin:/Users/emartin/Documents/bin:/usr/local/texlive/2010/bin:/usr/texbin:/opt/local/bin:/Developer/usr/bin:/usr/X11R6/bin:/Applications/pig-0.8.0/bin:/Users/emartin/Documents/bin::/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/texbin:/usr/X11/bin:/usr/texbin:/opt/local/bin:/Developer/usr/bin:/usr/X11R6/bin:/Applications/pig-0.8.0/bin:/Users/emartin/Documents/bin::/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin:/usr/local/texlive/2010/bin:/usr/texbin:/usr/local/texlive/2010/bin
>
> exec-path: (/usr/bin /bin /usr/sbin /sbin /usr/local/bin /usr/texbin 
> /usr/X11/bin /opt/local/bin /Developer/usr/bin /usr/X11R6/bin 
> /Applications/pig-0.8.0/bin /Users/emartin/Documents/bin 
> /usr/local/texlive/2010/bin /usr/texbin /opt/local/bin /Developer/usr/bin 
> /usr/X11R6/bin /Applications/pig-0.8.0/bin /Users/emartin/Documents/bin  
> /usr/bin /bin /usr/sbin /sbin /usr/local/bin /usr/texbin /usr/X11/bin 
> /usr/texbin /opt/local/bin /Developer/usr/bin /usr/X11R6/bin 
> /Applications/pig-0.8.0/bin /Users/emartin/Documents/bin  /usr/bin /bin 
> /usr/sbin /sbin /usr/texbin /usr/local/texlive/2010/bin . 
> /Applications/Aquamacs.app/Contents/MacOS/bin) 
>
> Eric Martin
> School of Computer Science and Engineering
> UNSW Sydney NSW 2052 Australia





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