Re: Building problem

On Thu, May 27, 2010 at 03:10, TK Soh <[email protected]> wrote:
> On Wed, May 26, 2010 at 9:27 PM, Bert Wesarg <bert.wesarg-gM/[email protected]> wrote:
>> On Fri, May 21, 2010 at 20:52, Bert Wesarg <bert.wesarg-gM/[email protected]> wrote:
>>> Maybe I have on the discussion list more luck.
>>>
>>> Bert
>>>
>>> On Wed, May 19, 2010 at 03:32, TK Soh <[email protected]> wrote:
>>>> On Tue, May 18, 2010 at 9:19 PM, Bert Wesarg <[email protected]> wrote:
>>>>> Hi,
>>>>>
>>>>> does anybody has any building problems lately?
>>>>>
>>>>> I have really a strange problem. After installing Ubuntu 10.04 freshly
>>>>> on my notebook, I can't run a self build nedit binary anymore. The
>>>>> error message is;
>>>>>
>>>>> Error: Shell widget nedit has zero width and/or height
>>>>>
>>>>> The offender is in source/nedit.c:516:
>>>>>
>>>>>    XtRealizeWidget(TheAppShell);
>>>>>
>>>>> I have tried to reproduce this with a minimal X application (see
>>>>> attached file), which showed the same error, but than suddenly stopped
>>>>> to show this error.
>>>>>
>>>>> Any help would be very appreciated.
>>>>
>>>> Just curious, are you linking to Lesstif on OM?
>>>
>>> I could reproduced this error with the appshell.c code without linking
>>> to motif. Anyway I have only tested openmotif (self-build 2.3.2, 2.3.3
>>> and ubuntu 2.2.3).
>>>
>>> That looked like this (out from memory):
>>>
>>> 1. compile appshell.c without motif
>>> 2. run appshell
>>>  -> Error: Shell widget appShell has zero width and/or height
>>> 3. compile appshell.c with motif (i.e. -DWITH_MOTIF and -lXm)
>>> 4. run appshell
>>>  -> works as expected
>>> 5. compile appshell.c without motif
>>> 6. run appshell
>>>  -> works as expected
>>>
>>> So I assumed some "memory" from X that remembers some dimensions for
>>> this app. This was on the weekend. Yesterday I tried it again and it
>>> didn't work anymore. The appshell (w or w/o motif) always worked. Only
>>> the self-build nedit does not.
>>>
>>
>> The solution was vary simple: I had -lXm after -lXt in the
>> commandline, which must be in-front of it.
>
> You mean you need to put Xm in front to solve the problem?

Yes. That solved my problem. Even without -lXm I could not execute a
simple Xt application.

> Any guru out there can share the reason why the order is significant?

My feeling is, that the toolkit library needs to be initialized before
Xt, or does overwrite some functions from the Xt lib.

Bert

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