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[fedora-arm] Re: qt3 build failure, hints?



Andy Green wrote:

> On 06/01/2009 09:19 PM, Rex Dieter wrote:
>> g++ -c -o
>> project.o -pipe -I. -Igenerators -Igenerators/unix -Igenerators/win32
>> -Igenerators/mac -I/builddir/build/BUILD/qt-x11-free-3.3.8b/include/qmake
>> -I/builddir/build/BUILD/qt-x11-free-3.3.8b/include
>> -I/builddir/build/BUILD/qt-x11-free-3.3.8b/include -DQT_NO_TEXTCODEC
>> -DQT_NO_UNICODETABLES -DQT_NO_COMPONENT -DQT_NO_STL -DQT_NO_COMPRESS
>> -I/builddir/build/BUILD/qt-x11-free-3.3.8b/mkspecs/linux-g++
>> -DHAVE_QCONFIG_CPP project.cpp In file included from
>> /builddir/build/BUILD/qt-x11-free-3.3.8b/include/qtextstream.h:46, from
>> /builddir/build/BUILD/qt-x11-free-3.3.8b/include/qtl.h:46, from
>> /builddir/build/BUILD/qt-x11-free-3.3.8b/include/qvaluelist.h:45, from
>> /builddir/build/BUILD/qt-x11-free-3.3.8b/include/qstringlist.h:45, from
>> project.h:42, from project.cpp:39:
>> /builddir/build/BUILD/qt-x11-free-3.3.8b/include/qstring.h: In member
>> function 'ushort&  QChar::unicode()':
>> /builddir/build/BUILD/qt-x11-free-3.3.8b/include/qstring.h:202: error:
>> cannot bind packed field '((QChar*)this)->QChar::ucs' to 'ushort&'
>> qmake failed to build. Aborting.
> 
>> Any hints, pointers?
> 
>  From a Google around, it seems the compiler won't let you make a
> non-const reference to this packed member.

OK, I think this code path doesn't hit on other archs, on arm
Q_NO_PACKED_REFERENCE is defined, and the code is:

 #ifdef Q_NO_PACKED_REFERENCE
     ushort &unicode() { return *((ushort *)&ucs); }
 #else
     ushort &unicode() { return ucs; }
 #endif

Now, I'll stare at this until my eyes bleed to see where to stuff a (const)

-- Rex



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