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Month: May 2011

Re: [trinity-devel] Qt3 - No Longer Builds (multiple boxes) libkdecore.so.4: undefined symbol: _ZN7KGlobal20deleteStaticDeletersEv

From: PICCORO McKAY Lenz <mckaygerhard@...>
Date: Tue, 10 May 2011 13:50:18 -0430
key < other.key || (key==other.key && lang < other.lang)

On 5/10/11, PICCORO McKAY Lenz <mckaygerhard@...> wrote:
> so then i cited ambigous issue .. then, what its correct?
>
> On 5/10/11, /dev/ammo42 <mickeytintincolle@...> wrote:
>> Le Tue, 10 May 2011 13:35:22 -0430,
>> PICCORO McKAY Lenz <mckaygerhard@...> a écrit :
>>
>>> interesting the slack issues..
>>>
>>> wel in any way, ARCH wiki about trinity said that build kde3 or qt3
>>> trinity must be in clean env..
>>>
>>> but maybe the conflicts of tools and references in objects cause to
>>> change specific paths to /opt resulting in no errors references..
>>>
>>> the error:
>>>
>>> ../../../include/qimage.h: In member function ‘bool
>>> QImageTextKeyLang::operator<(const QImageTextKeyLang&) const’:
>>> ../../../include/qimage.h:61:61: warning: suggest parentheses around
>>> ‘&&’ within ‘||’ [-Wparentheses]
>>>
>>> seen related to patch "qt3-warnings.diff" in
>>> https://build.opensuse.org/package/view_file?file=qt3-warnings.diff&package=qt3&project=KDE%3AKDE3&srcmd5=debe4368fe51c3bcd86162716a0d3f8b
>>> that i currently analising, seen comparision are ambiguos..  please
>>> some one can clarify this patch realted to this error?
>> This isn't an error but "undefined behaviour" (so the C++ standard
>> doesn't forbid gcc from doing rm -rf / :D).
>> In fact, in C and C++, the && and || operator have the same precedence,
>> so the (a || b && c) statement is ambiguous.
>> With some (very) basic knowledge in CS, one easily sees that in this
>> particular case the right thing to do is
>> key < other.key || (key==other.key && lang < other.lang)
>> because it is a lexicographical sort of the pair (key,lang). The
>> (key < other.key || key==other.key) && lang < other.lang
>> interpretation doesn't make sense.
>> The patch just adds the parentheses that were missing from the original
>> code.
>>>
>>> On 5/10/11, /dev/ammo42 <mickeytintincolle@...> wrote:
>>> > Le Tue, 10 May 2011 12:01:17 -0500,
>>> > "David C. Rankin" <drankinatty@...> a écrit :
>>> >
>>> >> Guys,
>>> >>
>>> >>    This is bizarre. I went to build Qt3 this morning, applied a new
>>> >> patch, and Qt3 wouldn't compile. So I removed the patch just to
>>> >> make sure nothing on the system had changed to prevent building
>>> >> and -- I STILL GET THE ERROR??
>>> >>
>>> >>    So I went to a box where Qt3 built a day or so ago which still
>>> >> had the Qt3 build directory in place from the last time it built
>>> >> and went to build it again
>>> >> - I get the same symbol lookup error.
>>> >>
>>> >>    The only thing that changes was qt 4.7.3-1 was pulled in as a
>>> >> dependency of poppler-qt when I attempted to build kdegraphics with
>>> >> -DWITH_PDF=ON.  I thought Qt3 would build fine with Qt4 installed?
>>> >> Is this something new with the new version?
>>> >>
>>> >>    The symbol error has me scratching my head. I can't for the life
>>> >> of me figure out what this error is telling me:
>>> >>
>>> >> g++ -c -pipe -fPIC -Wall -W -march=i686 -mtune=generic -O2 -pipe
>>> >> -D_REENTRANT -DDESIGNER -DQT_INTERNAL_XML -DQT_INTERNAL_WORKSPACE
>>> >> -DQT_INTERNAL_ICONVIEW -DQT_INTERNAL_TABLE -DQT_NO_DEBUG
>>> >> -DQT_THREAD_SUPPORT -DQT_SHARED
>>> >> -I/home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/mkspecs/linux-g++
>>> >> -I. -I/usr/include/freetype2 -I../shared -I../uilib
>>> >> -I../../../include -I/usr/X11R6/include -I.moc/release-shared-mt/
>>> >> -o ./editfunctions.o
>>> >> editfunctions.cpp
>>> >> /home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/bin/uic
>>> >> -L /home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/plugins
>>> >> newform.ui -i newform.h -o newform.cpp g++ -c -pipe -fPIC -Wall -W
>>> >> -march=i686 -mtune=generic -O2 -pipe -D_REENTRANT -DDESIGNER
>>> >> -DQT_INTERNAL_XML -DQT_INTERNAL_WORKSPACE -DQT_INTERNAL_ICONVIEW
>>> >> -DQT_INTERNAL_TABLE -DQT_NO_DEBUG -DQT_THREAD_SUPPORT -DQT_SHARED
>>> >> -I/home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/mkspecs/linux-g++
>>> >> -I. -I/usr/include/freetype2 -I../shared -I../uilib
>>> >> -I../../../include -I/usr/X11R6/include -I.moc/release-shared-mt/
>>> >> -o ./newform.o newform.cpp In file included
>>> >> from ../../../include/qdragobject.h:50:0,
>>> >> from ../../../include/qiconview.h:51, from
>>> >> newform.cpp:13: ../../../include/qimage.h: In member function ‘bool
>>> >> QImageTextKeyLang::operator<(const QImageTextKeyLang&)
>>> >> const’: ../../../include/qimage.h:61:61: warning: suggest
>>> >> parentheses around ‘&&’ within
>>> >> ‘||’ [-Wparentheses]
>>> >> /home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/bin/uic
>>> >> -L /home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/plugins
>>> >> listvieweditor.ui -i listvieweditor.h -o
>>> >> listvieweditor.cpp
>>> >> /home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/bin/uic:
>>> >> symbol lookup error: /opt/trinity/lib/libkdecore.so.4: undefined
>>> >> symbol: _ZN7KGlobal20deleteStaticDeletersEv make[4]: ***
>>> >> [listvieweditor.cpp] Error 127 make[4]: Leaving directory
>>> >> `/home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/tools/designer/designer'
>>> >> make[3]: *** [sub-designer] Error 2
>>> >> make[3]: Leaving directory
>>> >> `/home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/tools/designer'
>>> >> make[2]: *** [sub-designer] Error 2
>>> >> make[2]: Leaving directory
>>> >> `/home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/tools'
>>> >> make[1]: *** [sub-tools] Error 2
>>> >> make[1]: Leaving directory
>>> >> `/home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b' make: ***
>>> >> [init] Error 2 ==> ERROR: A failure occurred in build().
>>> >>      Aborting...
>>> >>
>>> >>    I get that it is a uic symbol lookup error:
>>> >>
>>> >> /home/david/tblds/trinity-qt3/src/qt-x11-free-3.3.8b/bin/uic:
>>> >> symbol lookup error: /opt/trinity/lib/libkdecore.so.4: undefined
>>> >> symbol: _ZN7KGlobal20deleteStaticDeletersEv
>>> >>
>>> >>    How does one fix a symbol lookup error like this?
>>> >>
>>> >>    Also why does the Qt3 build even look
>>> >> to /opt/trinity/lib/libkdecore.so.4? How can I prevent this from
>>> >> happening? This built fine before the Qt4 package installed. Short
>>> >> of removing Qt4, what is the best way to try and fix this?
>>> > It works for me™.
>>> > I am using a slightly modified version of the Slackware-originated
>>> > SlackBuild that can be found at
>>> > ftp://ftp.gwdg.de/pub/linux/slackware/unsupported/kde-3.5.10-for-slack13.0/source/qt3/
>>> > This is a unusual SlackBuild, because it builds qt3 in /opt/kde3
>>> > (Patrick Volderking says in the scripts that building it in /tmp
>>> > frequently led to wrong packages).
>>> > Also, I posted my own version recently on the list, it is
>>> > essentially the same with additional patches.
>>> > I am building Trinity under Slackware 13.37 with full KDE4 alongside
>>> > (KDE4 is my main desktop now, no kidding), and:
>>> > -dependencies such as qt3, qca and poppler-qt3 compile with the
>>> > unsupported scripts from the Slackware mirrors, with /opt/kde3
>>> > prefix -arts, dbus-tqt, dbus-1-tqt, tqtinterface compile without
>>> > errors, with /opt/kde3 prefix
>>> > -kdebase and kdelibs also compile without errors, still
>>> > in /opt/kde3, but when I launch any KDE3 program, it doesn't manage
>>> > to load any library in /opt/kde3/lib/kde3.
>>> > However, when I built qt3, Trinity was not installed, but only KDE4.
>>> > I will put the build scripts and the patches online when I have more
>>> > time (==soon), right now I have my exams. The patches basically fix
>>> > kconfig_compiler detection (with the SVN version it uses the KDE4
>>> > one) and enforce the use of dbus-tqt.pc for the build of kdebase.
>>> >>
>>> >>    The build script is here:
>>> >>
>>> >> http://svn.trinitydesktop.org/svn/trinity-packaging/arch/master/trinity-qt3/PKGBUILD
>>> >>
>>> >>    The Qt3 package built fine when I uploaded it a day ago:
>>> >>
>>> >> http://svn.trinitydesktop.org/svn/trinity-packaging/arch/master/src/trinity-qt3.tar.gz
>>> >>
>>> >>    Any help appreciated :)
>>> >>
>>> >
>>> >
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>>> >
>>> >
>>>
>>>
>>
>>
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>>
>>
>
>
> --
> Lenz McKAY Gerardo (PICCORO)
> http://qgqlochekone.blogspot.com
> Cofundador de Venenux;  debian based multimedia alike free only zealots
> users (oh well, i try but..too many free guidelines buahhh)
> http://shutendouji.net
> creador de massenkoh linux; debian enhanchements for better up to date
> support on stable brand, including non-free soft.
>


-- 
Lenz McKAY Gerardo (PICCORO)
http://qgqlochekone.blogspot.com
Cofundador de Venenux;  debian based multimedia alike free only zealots
users (oh well, i try but..too many free guidelines buahhh)
http://shutendouji.net
creador de massenkoh linux; debian enhanchements for better up to date
support on stable brand, including non-free soft.