public inbox for cygwin@cygwin.com
 help / color / mirror / Atom feed
From: Ken Brown <kbrown@cornell.edu>
To: cygwin@cygwin.com
Subject: Re: Cygwin 64 problem
Date: Mon, 28 Nov 2016 16:19:00 -0000	[thread overview]
Message-ID: <eb726657-1a6a-d7b5-4542-e8374d1cea61@cornell.edu> (raw)
In-Reply-To: <20161127223035.GA3886@dimstar.local.net>

On 11/27/2016 5:30 PM, Duncan Roe wrote:
> On Sun, Nov 27, 2016 at 11:02:29AM -0500, Ken Brown wrote:
>> On 11/27/2016 9:03 AM, Girish Joglekar wrote:
>>> Hi Ken,
>>> Thank you for your reply on the Cygwin mailing list. I have created a
>>> slightly smaller test example smaller than what I had created in Feb.
>>> Attached is a tar file. After make insall if you run TEST.x and click
>>> the Open button, it gives segmentation fault.
>>> Hope you will be able to help.
>>> Thank you.
>>> Girish
>>
>> Please keep the discussion on the mailing list so that people who might be
>> able to help will see it.  I personally am not familiar with X11
>> programming, so I'm not one of those people.
>>
>> I do have a few comments, however:
>>
>> 1. This may be slightly smaller than your previous program, but it is still
>> *very* far from a small test case.  You really can't expect people to debug
>> a program of this size for you.
>>
>> 2. I suggest that you build with -Wall (as Marco already suggested in the
>> earlier discussion) and fix all the compiler warnings.  I saw several that
>> need attention (aside from the many "unused variable" warnings).  It
>> wouldn't hurt to also use -Wextra.
>>
>> 3. I also suggest that you use gdb to find out where the program is crashing
>> and why.  You made a start on that in the discussion last March, but you
>> didn't follow through.  (By the way, I recommend building without
>> optimization; otherwise you may not be able to get accurate information
>> about the crash from gdb.)
>>
>> 4. If, after the steps above, you still think the crash is due to a Cygwin
>> bug rather than a programming error, then try to extract from your program a
>> test case as small as possible that reproduces the crash.
>>
>> Ken
>
> I thought I would have a crack at this but immediately got the error:
>
> testc.h:8:19: fatal error: Xm/Xm.h: No such file or directory
>  #include <Xm/Xm.h>
>
> I thought /usr/include/Xm/ should come with motif, which I have installed.
>
> What have I missed?

libXm-devel

Ken


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

  reply	other threads:[~2016-11-27 22:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAGX=k3HczQGx=51xRwyKrwpKTMqaOVqxj+ud4UH=i1yCPAFGWQ@mail.gmail.com>
2016-11-28 12:03 ` Ken Brown
2016-11-28 14:34   ` Duncan Roe
2016-11-28 16:19     ` Ken Brown [this message]
2016-11-30  3:01   ` Ken Brown
2016-12-04 15:59     ` Ken Brown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=eb726657-1a6a-d7b5-4542-e8374d1cea61@cornell.edu \
    --to=kbrown@cornell.edu \
    --cc=cygwin@cygwin.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).