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Month: May 2011

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

From: /dev/ammo42 <mickeytintincolle@...>
Date: Tue, 10 May 2011 20:36:53 +0200
Le Tue, 10 May 2011 14:00:25 -0430,
PICCORO McKAY Lenz <mckaygerhard@...> a écrit :

> what its the correct patch? i think "key < other.key ||
> (key==other.key && lang < other.lang)" its the correct form..
So do I.
> 
> and remove "-W" flag at build
I think suppressing any removal of warnings used by the Trolltech
developers is wrong. You don't build with -Werror, do you ?
> 
> On 5/10/11, /dev/ammo42 <mickeytintincolle@...> wrote:
> > Le Tue, 10 May 2011 13:49:08 -0430,
> > PICCORO McKAY Lenz <mckaygerhard@...> a écrit :
> >
> >> so then i cited ambigous issue .. then, what its correct?
> > I didn't read this message before sending mine.
> > case $your_question in
> > Was it correct ?) Yes.;;
> > What is correct ?) The patch is correct.;;
> > *) I didn't understand your question.;;
> > esac
> >>
> >> 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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