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Message-ID:	<520D5B60.2060100@cornell.edu>
Date:	Thu, 15 Aug 2013 18:51:12 -0400
From:	Ken Brown <kbrown AT cornell DOT edu>
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To:	cygwin AT cygwin DOT com
Subject:	Re: 64-bit emacs crashes a lot
References:	<51F3151D DOT 7040000 AT cs DOT utoronto DOT ca> <51F33565 DOT 1090406 AT cornell DOT edu> <51F33F52 DOT 4060405 AT cs DOT utoronto DOT ca> <51FB1D9E DOT 5090102 AT cs DOT utoronto DOT ca> <20130802080211 DOT GA18054 AT calimero DOT vinschen DOT de> <51FB9228 DOT 2020309 AT cornell DOT edu> <51FBA100 DOT 90005 AT cs DOT utoronto DOT ca> <51FD5462 DOT 5020400 AT cs DOT utoronto DOT ca> <51FFBDFF DOT 7040501 AT cornell DOT edu> <51FFC4F2 DOT 8080909 AT cs DOT utoronto DOT ca> <5203D89E DOT 6030801 AT cornell DOT edu> <5203DCCA DOT 1010105 AT cs DOT utoronto DOT ca> <5205B364 DOT 8090007 AT cs DOT utoronto DOT ca> <52064730 DOT 50404 AT cornell DOT edu> <"52065B3C DOT 6060104 AT cs DOT utoronto <520CCA41.3000107"@cs.utoronto.ca> <520D089A DOT 1020806 AT cornell DOT edu> <83ioz6op5v DOT fsf AT gnu DOT org> <520D4036 DOT 8010303 AT cs DOT utoronto DOT ca> <520D44B9 DOT 7090206 AT cornell DOT edu> <520D4725 DOT 3030503 AT cs DOT utoronto DOT ca> <520D4F07 DOT 8050007 AT cornell DOT edu> <520D589B DOT 9090002 AT cs DOT utoronto DOT ca>
In-Reply-To:	<520D589B.9090002@cs.utoronto.ca>

On 8/15/2013 6:39 PM, Ryan Johnson wrote:
> On 15/08/2013 5:58 PM, Ken Brown wrote:
>> On 8/15/2013 5:24 PM, Ryan Johnson wrote:
>>> On 15/08/2013 5:14 PM, Ken Brown wrote:
>>>> On 8/15/2013 4:55 PM, Ryan Johnson wrote:
>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>> ___chkstk_ms () at
>>>>> /usr/src/debug/gcc-4.8.1-1/libgcc/config/i386/cygwin.S:146
>>>>
>>>> You're not using the latest gcc, which is 4.8.1-3.  Any chance that
>>>> that's your problem?
>>> Heh. I actually do have the latest gcc, but somehow the upgrade didn't
>>> pick up the debug package (which showed as not installed in setup.exe).
>>> I have manually upgraded it now.
>>
>> OK.  But doesn't the above show that the crash is occurring in gcc,
>> not emacs?
> It's trying to grow the stack for alloca and something went wrong, I
> believe (though I didn't see where re_match_2_internal calls alloca)
>
>>
>>> BTW, how do you compile emacs from the sources given? I tried untarring
>>> and patching, but I get the message:
>>>> configure: error: Emacs hasn't been ported to `x86_64-unknown-cygwin'
>>>> systems.
>>>> Check `etc/MACHINES' for recognized configuration names.
>>
>> One of the patches changes configure.ac, so you have to run autoreconf
>> after applying it.
> Hmm...
>
> $ autoreconf -if
> lib/gnulib.mk:42: GL_GENERATE_ALLOCA_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:121: gl_GNULIB_ENABLED_dosname does not appear in
> AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:159: GL_GENERATE_EXECINFO_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:224: gl_GNULIB_ENABLED_be453cec5eecf5731a274f2de7f2db36
> does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:323: gl_GNULIB_ENABLED_pathmax does not appear in
> AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:482: gl_GNULIB_ENABLED_stat does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:505: GL_GENERATE_STDALIGN_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:528: GL_GENERATE_STDARG_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:556: GL_GENERATE_STDBOOL_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:579: GL_GENERATE_STDDEF_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:609: GL_GENERATE_STDINT_H does not appear in AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:901: gl_GNULIB_ENABLED_strtoll does not appear in
> AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:912: gl_GNULIB_ENABLED_strtoull does not appear in
> AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/gnulib.mk:1308: gl_GNULIB_ENABLED_verify does not appear in
> AM_CONDITIONAL
> lib/Makefile.am:10:   `lib/gnulib.mk' included from here
> lib/Makefile.am:5: library used but `RANLIB' is undefined
> lib/Makefile.am:5:   The usual way to define `RANLIB' is to add
> `AC_PROG_RANLIB'
> lib/Makefile.am:5:   to `configure.ac' and run `autoconf' again.
> autoreconf-2.69: automake failed with exit status: 1
>
> Did I miss something?

http://cygwin.com/ml/cygwin/2013-08/msg00250.html

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