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Re: uimenu implementation, 2nd version [build failure on MacOS X]


From: Ben Abbott
Subject: Re: uimenu implementation, 2nd version [build failure on MacOS X]
Date: Fri, 29 Oct 2010 10:47:16 +0800

On Oct 27, 2010, at 1:47 AM, Kai Habel wrote:

> On 26.10.2010 06:32, Ben Abbott wrote:
>> On Oct 26, 2010, at 11:15 AM, Ben Abbott wrote:
>> 
>>> On Oct 26, 2010, at 1:03 AM, Kai Habel wrote:
>>> 
>>>> Ok, I have pushed an updated Changeset, with the uimenu implementation for 
>>>> the fltk backend.
>>>> 
>>>> Kai
>>> With this change, my buiid is failing
>>> 
>> /* snip */
>> 
>>> DLD-FUNCTIONS/fltk_backend.cc: In member function 'Matrix 
>>> fltk_uimenu::find_uimenu_children(T&) const':
>>> DLD-FUNCTIONS/fltk_backend.cc:339: error: request for member 'get_position' 
>>> in 
>>> 'dynamic_cast<uimenu::properties&>(kidgo.graphics_object::get_properties())',
>>>  which is of non-class type 'uimenu::properties&'
>>> DLD-FUNCTIONS/fltk_backend.cc:341: error: request for member 
>>> 'get_fltk_label' in 
>>> 'dynamic_cast<uimenu::properties&>(kidgo.graphics_object::get_properties())',
>>>  which is of non-class type 'uimenu::properties&'
>>> DLD-FUNCTIONS/fltk_backend.cc: In member function 'Matrix 
>>> fltk_uimenu::find_uimenu_children(T&) const [with T = uimenu::properties]':
>>> DLD-FUNCTIONS/fltk_backend.cc:360:   instantiated from here
>>> DLD-FUNCTIONS/fltk_backend.cc:340: warning: unused variable 'lbl'
>>> DLD-FUNCTIONS/fltk_backend.cc: In member function 'Matrix 
>>> fltk_uimenu::find_uimenu_children(T&) const [with T = figure::properties]':
>>> DLD-FUNCTIONS/fltk_backend.cc:554:   instantiated from here
>>> DLD-FUNCTIONS/fltk_backend.cc:340: warning: unused variable 'lbl'
>>> make[3]: *** [DLD-FUNCTIONS/DLD_FUNCTIONS_fltk_backend_la-fltk_backend.lo] 
>>> Error 1
>>> make[2]: *** [check] Error 2
>>> make[1]: *** [check-recursive] Error 1
>>> make: *** [check] Error 2
>>> 
>>> Ben
>> The lines of fltk_backend.cc which produce the error are
>> 
>>  335             if (kidgo.isa ("uimenu"))
>>  336               {
>>  337                 uimenu_childs(k) = uimenu_childs(ii);
>>  338                 pos(k++) =
>>  339                   dynamic_cast<uimenu::properties&>  
>> (kidgo.get_properties ()).get_position ();
>>  340                 std::string lbl =
>>  341                   dynamic_cast<uimenu::properties&>  
>> (kidgo.get_properties ()).get_fltk_label ();
>>  342               }
>> 
>> Perhaps this is related to this is a bug in the version of gcc I'm running?
>> 
>>      http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34364
>> 
>> $ gcc --version
>> i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5664)
>> Copyright (C) 2007 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions.  There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>> 
>> To allow the build to continue, I commented out this if-block, and didn't 
>> encounter any more errors (and as expected the uimenu doesn't function).
>> 
>> Ben
>> 
> Ben,
> 
> does the attached patch work for you?
> 
> Kai
> <patch.macos>

Kai,

Can this patch be pushed?

Ben



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