Re: The bootstrap of Emacs on Cygwin is broken [Is also: unicode branch is merged to trunk]

[Angelo Graziosi]

Eli Zaretskii ha scritto:
> > Date: Sun, 03 Feb 2008 22:14:35 +0100
> > From: Angelo Graziosi <address@hidden>
> > CC: Eli Zaretskii <address@hidden>, address@hidden
> >
> > > There are no Emacs symbols in there. Are you deliberately building 
> > > without debug info?
> > The debug (-g) info should be active (see [1] or [2]). Shortly, I use
> >
> > ../configure
> > make bootstrap.
>
> Try using -g3 -O1, it should produce better debug info.  Not sure if
> it will help in this case, though.

Concorde! In any case, for the sake of completeness, below the results.

Cheers,
   Angelo.

===================================================
cd /tmp/build

CFLAGS='-g3 -O1' /tmp/emacs/configure --with-x-toolkit=lucid 2>&1 | tee 
emacs-session.log

make bootstrap  2>&1 | tee -a emacs-session.log

gdb /tmp/build/src/temacs
GNU gdb 6.5.50.20060706-cvs (cygwin-special)
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There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) run --batch --load loadup bootstrap
Starting program: /tmp/build/src/temacs.exe --batch --load loadup bootstrap
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 /c/WINDOWS/system32/secur32.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
Loading loadup.el (source)...
Using load-path (/tmp/emacs/lisp /tmp/emacs/lisp/emacs-lisp 
/tmp/emacs/lisp/language /tmp/emacs/lisp/international 
/tmp/emacs/lisp/textmodes)
Loading emacs-lisp/byte-run (source)...
Loading emacs-lisp/backquote (source)...
Loading subr (source)...
Loading version.el (source)...
Loading widget (source)...
Loading custom (source)...
Loading emacs-lisp/map-ynp (source)...
Loading cus-start (source)...
Note, built-in variable `selection-coding-system' not bound
Loading international/mule (source)...
Loading international/mule-conf.el (source)...

Program received signal SIGSEGV, Segmentation fault.
0x610e1805 in _vfprintf_r () from /usr/bin/cygwin1.dll
(gdb) bt
#0  0x610e1805 in _vfprintf_r () from /usr/bin/cygwin1.dll
#1  0x610f0358 in printf () from /usr/bin/cygwin1.dll
#2  0x610933b8 in _sigfe () from /usr/bin/cygwin1.dll
#3  0x00bf9a30 in ?? ()
#4  0x00020000 in ?? ()
#5  0x20ee0000 in bss_sbrk_buffer ()
#6  0x00020000 in ?? ()
#7  0x00033878 in ?? ()
#8  0x20159a74 in __default_morecore (increment=131072)
    at /tmp/emacs/src/gmalloc.c:1747
#9  0x20159a74 in __default_morecore (increment=131072)
    at /tmp/emacs/src/gmalloc.c:1747
#10 0x20159d2a in obtain (address=0x20ee0000, size=4368)
    at /tmp/emacs/src/ralloc.c:315
#11 0x20159fc9 in relocate_blocs (bloc=0x202ef7a0, heap=0x202dc530,
    address=0x20ee0000) at /tmp/emacs/src/ralloc.c:518
#12 0x2015a512 in r_alloc_sbrk (size=196608) at /tmp/emacs/src/ralloc.c:863
#13 0x20158781 in align (size=196608) at /tmp/emacs/src/gmalloc.c:508
#14 0x201589c5 in morecore_nolock (size=196608) at 
/tmp/emacs/src/gmalloc.c:691
#15 0x20158f9e in _malloc_internal_nolock (size=65536)
    at /tmp/emacs/src/gmalloc.c:937
#16 0x2015914f in _malloc_internal (size=65536)
    at /tmp/emacs/src/gmalloc.c:1005
---Type <return> to continue, or q <return> to quit---
#17 0x20159185 in malloc (size=65536) at /tmp/emacs/src/gmalloc.c:1029
#18 0x61057dbc in malloc () from /usr/bin/cygwin1.dll
#19 0x00010000 in ?? ()
#20 0x00000000 in ?? ()
(gdb)
===================================================