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From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: [OFF TOPIC] Qt Creator unable to access containers in debug mode
Date: Tue, 24 Mar 2015 21:32:07 +0200
Organization: Lucas Barks
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References: <CAHH9eM4AAqRA1PjiAys_a5s8p8FOWGvkrGWoFcy-7muck8J0Uw@mail.gmail.com> <1509173.AdsNnimB3Q@navi>
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On 24/03/15 21:12, Fernando Rodriguez wrote:
> On Tuesday, March 24, 2015 10:07:56 AM Francisco Ares wrote:
>> Hi,
>>
>> Recently - but can't figure out exactly when - Qt Creator has become unable
>> to access Qt containers (where the STL ones work as expected) on the debug
>> panel.  It shows <not accessible> in place of the expected item quantity
>> for a QList, for instance, but for a std::vector<std::string>, it works,
>> allowing inspection of all items.
>>
>> Any hints on what I may be doing wrong? The headers are all accessible, for
>> instance. Should I build Qt with debug symbols enabled, as recommended for
>> glibc?
>>
>> Using current Qt 4.8.5, Qt Creator 2.8.1, gdb 7.7.1, gcc 4.8.3
>>
>> Thanks!
>> Francisco
>
> Try to print it from gdb cli, if it works you'll know the issue QtCreator,
> otherwise you're likely missing some symbols. You should always compile any
> development libraries with debug symbols.

You don't need debug symbols for inspecting containers. They are not 
needed. The only reason for enabling debug symbols in Qt is if you want 
to step into Qt's code.