./configure --pdump --with-x=no
xemacs -vanilla
hold down control and press space
Signaling: (void-variable mouse-track-rectangle-p)
  activate-region-as-selection()
  run-hooks(activate-region-as-selection)
  zmacs-activate-region()
  push-mark(nil nil t)
  set-mark-command(nil)
  call-interactively(set-mark-command)
Saying (require 'mouse) shut it up.
Is --with-x=no kosher ?
System Info to help track down your bug:
---------------------------------------
uname -a: Linux bundalo 2.4.12-686-smp #2 SMP Sat Oct 13 20:14:19 EST 2001 i686 unknown
unknown GNU/Linux
./configure  '--pdump' '--with-x=no'
XEmacs 21.5-b9 "brussels sprouts" (+CVS-20021201) configured for
`i686-pc-linux'.
Compilation / Installation:
  Source code location:              /build/xemacs-21.5
  Installation prefix:               /usr/local
  Operating system description file: `s/linux.h'
  Machine description file:          `m/intel386.h'
  Compiler:                          gcc -Wall -Wno-switch -Winline -Wmissing-prototypes
-Wsign-compare -Wundef -Wstrict-prototypes -Wshadow -Wmissing-declarations -g -O3
  Relocating allocator for buffers:  no
  GNU version of malloc:             yes
    - Using Doug Lea's new malloc from the GNU C Library.
Window System:
TTY:
  Compiling in support for ncurses.
  Compiling in support for GPM (General Purpose Mouse).
Images:
Sound:
  Compiling in support for sound (native).
  Compiling in support for ESD (Enlightened Sound Daemon).
Databases:
  Compiling in support for Berkeley database.
Internationalization:
Mail:
  Compiling in support for "dot-locking" mail spool file locking method.
Other Features:
  Inhibiting IPv6 canonicalization at startup.
  Compiling in support for dynamic shared object modules.
  Using the new portable dumper.
  Compiling in support for extra debugging code.
  WARNING: ---------------------------------------------------------
  WARNING: Compiling in support for runtime error checking.
  WARNING: XEmacs will run noticeably more slowly as a result.
  WARNING: Error checking is on by default for XEmacs beta releases.
  WARNING: ---------------------------------------------------------
Load-Path Lisp Shadows:
----------------------
nil
Installed XEmacs Packages:
-------------------------
((xemacs-devel:version 1.39 :type single-file)
 (xemacs-base :version 1.58 :type regular)
 (viper :version 1.3 :type regular)
 (view-process :version 1.11 :type regular)
 (vhdl :version 1.13 :type regular)
 (vc :version 1.3 :type regular)
 (tramp :version 1.0 :type regular)
 (tpu :version 1.12 :type regular)
 (tooltalk :version 1.13 :type regular)
 (tm :version 1.3 :type regular)
 (time :version 1.11 :type regular)
 (textools :version 1.12 :type regular)
 (text-modes :version 1.37 :type single-file)
 (texinfo :version 1.2 :type regular)
 (supercite :version 1.18 :type regular)
 (strokes :version 1.08 :type regular)
 (speedbar :version 1.24 :type regular)
 (sounds-wav :version 1.1 :type regular)
 (sounds-au :version 1.1 :type regular)
 (slider :version 1.13 :type regular)
 (sh-script :version 1.13 :type regular)
 (sgml :version 1.08 :type regular)
 (semantic :version 1.06 :type regular)
 (scheme :version 1.11 :type regular)
 (rmail :version 1.13 :type regular)
 (reftex :version 1.23 :type regular)
 (ps-print-nomule :version 1.05 :type regular)
 (prog-modes
  :version
   1
   .48
    :type
     single-file)
 (pcomplete :version 1.01 :type regular)
 (pcl-cvs :version 1.58 :type regular)
 (pc :version 1.2 :type single-file)
 (os-utils :version 1.25 :type single-file)
 (net-utils :version 1.23 :type single-file)
 (misc-games :version 1.15 :type single-file)
 (mine :version 1.14 :type regular)
 (mailcrypt :version 2.09 :type regular)
 (mail-lib :version 1.4 :type regular)
 (ispell :version 1.23 :type regular)
 (ilisp :version 1.2 :type regular)
 (igrep :version 1.08 :type regular)
 (idlwave :version 1.24 :type regular)
 (hm--html-menus :version 1.16 :type regular)
 (gnats :version 1.12 :type regular)
 (games :version 1.13 :type regular)
 (fsf-compat :version 1.1 :type single-file)
 (frame-icon :version 1.09 :type regular)
 (forms :version 1.13 :type regular)
 (footnote :version 1.13 :type regular)
 (eudc :version 1.33 :type regular)
 (eterm :version 1.13 :type regular)
 (eshell :version 1.01 :type regular)
 (emerge :version 1.09 :type regular)
 (elib :version 1.08 :type single-file)
 (eieio :version 1.01 :type regular)
 (efs :version 1.26 :type regular)
 (edit-utils :version 1.76 :type single-file)
 (ediff :version 1.34 :type regular)
 (edebug :version 1.14 :type regular)
 (dired :version 1.11 :type regular)
 (debug :version 1.14 :type regular)
 (crisp :version 1.12 :type regular)
 (cookie :version 1.13 :type regular)
 (cc-mode :version 1.26 :type regular)
 (calendar :version 1.16 :type regular)
 (calc :version 1.16 :type regular)
 (c-support :version 1.16 :type single-file)
 (build :version 1.03 :type regular)
 (auctex :version 1.29 :type regular)
 (apel :version 1.2 :type regular)
 (ada :version 1.1 :type regular))
Features:
--------
(xemacsbug shadow mail-abbrevs sendmail rfc822 debug
xemacs-devel-autoloads xemacs-base-autoloads viper-autoloads
view-process-autoloads vhdl-autoloads vc-autoloads tramp-autoloads
tpu-autoloads tooltalk-autoloads tm-autoloads time-autoloads
textools-autoloads text-modes-autoloads texinfo-autoloads
supercite-autoloads strokes-autoloads speedbar-autoloads
sounds-wav-autoloads sounds-au-autoloads slider-autoloads
sh-script-autoloads sgml-autoloads semantic-autoloads scheme-autoloads
rmail-autoloads reftex-autoloads ps-print-nomule-autoloads
prog-modes-autoloads pcomplete-autoloads pcl-cvs-autoloads
pc-autoloads os-utils-autoloads net-utils-autoloads
misc-games-autoloads mine-autoloads mailcrypt-autoloads
mail-lib-autoloads ispell-autoloads ilisp-autoloads igrep-autoloads
idlwave-autoloads hm--html-menus-autoloads gnats-autoloads
games-autoloads fsf-compat-autoloads frame-icon-autoloads
forms-autoloads footnote-autoloads eudc-autoloads eterm-autoloads
eshell-autoloads emerge-autoloads elib-autoloads eieio-autoloads
efs-autoloads lisp-autoloads ediff-autoloads edebug-autoloads
dired-autoloads debug-autoloads crisp-autoloads cookie-autoloads
cc-mode-autoloads calendar-autoloads calc-autoloads
c-support-autoloads build-autoloads auctex-autoloads apel-autoloads
ada-autoloads xemacs-21.5-autoloads src-autoloads loadhist rsz-minibuf
auto-show fontl-hooks code-cmds gutter-items behavior itimer auto-save
lisp-mode easymenu iso8859-1 page buff-menu lib-complete cus-file
derived env text-props frame obsolete cus-start custom widget cl-extra
mini-cl cl cl-19 packages backquote very-early-lisp unicode tty-frames
tty esd-sound native-sound unix-processes multicast network-streams
subprocesses modules berkeley-db md5 xemacs gutter lisp-float-type
file-coding linux devices base64)