Re: Building Emacs-cvs on Cygwin

[Angelo Graziosi]

On Wed, 20 Sep 2006, Eli Zaretskii wrote:

> 
> > GNU gdb 6.5.50.20060706-cvs (cygwin-special)
> > Copyright (C) 2006 Free Software Foundation, Inc.
> > ...
> > This GDB was configured as "i686-pc-cygwin"...(no debugging symbols found)
>                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

I think this refers to GDB (even with CFLAGS='-g' I obtain it, see below)

> That is no good: your Emacs binary is somehow stripped, so it will be
> very hard to debug it.  Please modify your build procedure so that
> Emacs is not stripped.
> 

> > /tmp/emacs/lisp/./textmodes /tmp/emacs/lisp/./url
> > 
> > [3]+  Stopped                 gdb --args ../src/bootstrap-emacs.exe -batch
> 
> Why ``Stopped''?  Did you type something to stop the job?
> 

Absolutely : NO !

I have typed only 'r'

  (gdb) r


Now there is what I have done (I have copy/pasted) following your
suggestions:
==========================================================================
$ cd emacs
$ CFLAGS='-g'  ./configure
$ CFLAGS='-g' make bootstrap 2>&1 | tee ../build-emacs-cvs.log

...
$ make[2]: Entering directory `/tmp/emacs/lisp'
wd=/tmp/emacs/lisp; subdirs=`(cd $wd; find . -type d -print)`; for file in
$subdirs; do case $file in */Old | */RCS | */CVS | */CVS/* | */.* | */.*/*
| */=* ) ;; *) wins="$wins $wd/$file" ;; esac; done; \
        for file in $wins; do \
           /tmp/emacs/lisp/../update-subdirs $file; \
        done;
wd=/tmp/emacs/lisp; subdirs=`(cd $wd; find . -type d -print)`; for file in
$subdirs; do case $file in */Old | */RCS | */CVS | */CVS/* | */.* | */.*/*
| */=* ) ;; *) wins="$wins $wd/$file" ;; esac; done; \
        echo Directories: $wins; \
        ../src/bootstrap-emacs.exe -batch --no-site-file --multibyte -l
autoload --eval '(setq generated-autoload-file
"/tmp/emacs/lisp/loaddefs.el")' -f batch-update-autoloads $wins
Directories: /tmp/emacs/lisp/. /tmp/emacs/lisp/./calc
/tmp/emacs/lisp/./calendar /tmp/emacs/lisp/./emacs-lisp
/tmp/emacs/lisp/./emulation /tmp/emacs/lisp/./erc /tmp/emacs/lisp/./eshell
/tmp/emacs/lisp/./gnus /tmp/emacs/lisp/./international
/tmp/emacs/lisp/./language /tmp/emacs/lisp/./mail /tmp/emacs/lisp/./mh-e
/tmp/emacs/lisp/./net /tmp/emacs/lisp/./obsolete /tmp/emacs/lisp/./play
/tmp/emacs/lisp/./progmodes /tmp/emacs/lisp/./term
/tmp/emacs/lisp/./textmodes /tmp/emacs/lisp/./url
Fatal error (6)/bin/sh: line 2:  1388 Aborted                 (core
dumped) ../src/bootstrap-emacs.exe -batch --no-site-file --multibyte -l
autoload --eval '(setq generated-autoload-file
"/tmp/emacs/lisp/loaddefs.el")' -f batch-update-autoloads $wins
make[2]: *** [autoloads] Error 134
make[2]: Leaving directory `/tmp/emacs/lisp'
make[1]: *** [bootstrap-build] Error 2
make[1]: Leaving directory `/tmp/emacs'
make: *** [bootstrap] Error 2

$ cd src

$ gdb --args ../src/bootstrap-emacs.exe -batch --no-site-file --multibyte
-l autoload --eval '(setq generated-autoload-file
"/tmp/emacs/lisp/loaddefs.el")' -f batch-update-autoloads
/tmp/emacs/lisp/. /tmp/emacs/lisp/./calc /tmp/emacs/lisp/./calendar
/tmp/emacs/lisp/./emacs-lisp /tmp/emacs/lisp/./emulation
/tmp/emacs/lisp/./erc /tmp/emacs/lisp/./eshell /tmp/emacs/lisp/./gnus
/tmp/emacs/lisp/./international /tmp/emacs/lisp/./language
/tmp/emacs/lisp/./mail /tmp/emacs/lisp/./mh-e /tmp/emacs/lisp/./net
/tmp/emacs/lisp/./obsolete /tmp/emacs/lisp/./play
/tmp/emacs/lisp/./progmodes /tmp/emacs/lisp/./term
/tmp/emacs/lisp/./textmodes /tmp/emacs/lisp/./url
GNU gdb 6.5.50.20060706-cvs (cygwin-special)
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
details.
This GDB was configured as "i686-pc-cygwin"...(no debugging symbols found)
                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
DISPLAY = :0.0
TERM = xterm
/tmp/emacs/src/.gdbinit:1089: Error in sourced command file:
No struct type named Lisp_Symbol.
(gdb) r
Starting program: /tmp/emacs/src/bootstrap-emacs.exe -geometry 80x40+0+0
Loaded symbols for /c/WINDOWS/system32/ntdll.dll
Loaded symbols for /c/WINDOWS/system32/kernel32.dll
Loaded symbols for /usr/X11R6/bin/cygICE-6.dll
Loaded symbols for /usr/bin/cygwin1.dll
Loaded symbols for /c/WINDOWS/system32/advapi32.dll
Loaded symbols for /c/WINDOWS/system32/rpcrt4.dll
Loaded symbols for /usr/X11R6/bin/cygSM-6.dll
Loaded symbols for /usr/X11R6/bin/cygX11-6.dll
Loaded symbols for /usr/X11R6/bin/cygXaw3d-7.dll
Loaded symbols for /usr/X11R6/bin/cygXext-6.dll
Loaded symbols for /usr/X11R6/bin/cygXmu-6.dll
Loaded symbols for /usr/X11R6/bin/cygXt-6.dll
Loaded symbols for /usr/X11R6/bin/cygXpm-4.dll
Loaded symbols for /usr/bin/cygncurses-8.dll
Loaded symbols for /usr/bin/cygjpeg-62.dll
Loaded symbols for /usr/bin/cygpng12.dll
Loaded symbols for /usr/bin/cygz.dll
Loaded symbols for /usr/bin/cygtiff-5.dll
Loaded symbols for /usr/bin/cygungif-4.dll

[1]+  Stopped                 gdb --args ../src/bootstrap-emacs.exe -batch
--no-site-file --multibyte -l autoload --eval '(setq
generated-autoload-file "/tmp/emacs/lisp/loaddefs.el")' -f
batch-update-autoloads /tmp/emacs/lisp/. /tmp/emacs/lisp/./calc
/tmp/emacs/lisp/./calendar /tmp/emacs/lisp/./emacs-lisp
/tmp/emacs/lisp/./emulation /tmp/emacs/lisp/./erc /tmp/emacs/lisp/./eshell
/tmp/emacs/lisp/./gnus /tmp/emacs/lisp/./international
/tmp/emacs/lisp/./language /tmp/emacs/lisp/./mail /tmp/emacs/lisp/./mh-e
/tmp/emacs/lisp/./net /tmp/emacs/lisp/./obsolete /tmp/emacs/lisp/./play
/tmp/emacs/lisp/./progmodes /tmp/emacs/lisp/./term
/tmp/emacs/lisp/./textmodes /tmp/emacs/lisp/./url
$

i.e. it exit (?) from GDB but:

$ ps
      PID    PPID    PGID     WINPID  TTY  UID    STIME COMMAND
I    2288       1    2288       2288  con 1003 10:07:16 /usr/bin/bash
     3060    2288    3060       3076  con 1003 10:07:33 /usr/bin/sh
     3088    3060    3060       3104  con 1003 10:07:33
/usr/X11R6/bin/xinit
     3116    3088    3116       3136  con 1003 10:07:33
/usr/X11R6/bin/XWin
     3304    3088    3304       3332  con 1003 10:07:41 /usr/bin/urxvt-X
     3428    3304    3428       3448    0 1003 10:07:42 /usr/bin/bash
     2616    2288    2616       2656  con 1003 10:14:38
/c/Programmi/Crimson Editor/cedt
S    4068    3428    4068       1504    0 1003 10:46:39 /usr/bin/gdb
     2712       1    2712       2712  con 1003 10:46:46
/tmp/emacs/src/bootstrap-emacs
     4060    3428    4060       3616    0 1003 10:46:48 /usr/bin/ps

==========================================================================


Note the 'no debugging symbols found'.



Cheers,

   Angelo.