"-DQT_NO_CAST_FROM_ASCII -DQT_NO_CAST_TO_ASCII" as policy in kde

[Thiago Macieira]

Em Terça-feira 05 Outubro 2010, às 13:27:47, laurent Montel escreveu:
> Hi,
> As you saw I started to make kde compile with it.
> - kdetoys/kdeaccessibility/kdereview/kdeadmin compiles fine with it
> - I started to fix kdegames/kdeutils (90% done)/kdemultimedia.
> 
> It allows to make code sometime faster, but it allows to find untranslated
> string (I fixed 5-10 untranslated string until now, even if with my own
> script I never saw theses untranslated strings.)
> 
> For me it will good to have it by default (not now :) but I can continue to
> fix compile)
> 
> I created a perl script (not 100% perfect) which helps to convert it.
> 
> (Ok it doesn't fix all compile error.)
> 
> What do you think about it ?

This is not necessary for applications. For applications, leaving the cast 
from ASCII is not a problem. In fact, it's slightly more efficient.

Library code should be compiled with those plus:
	QT_NO_URL_CAST_FROM_STRING
	QT_USE_FAST_OPERATOR_PLUS

The last option also blacklists GCC 4.0 and 4.1. It starts requiring GCC 4.2, 
which is the minimum supported version for Qt too.

Note also that KUrl is not affected by the string issue that affects QUrl's 
constructor.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
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