Re: Configure for a program that uses QT fails

["Axel H. Siebenwirth" <axel@hh59.org>]

Hi James!

The problem was my gcc 3.1. My qt libs from SuSE were compile with gcc2 and
someone pointed out to me that they are not binary compatible or whatever.
However I got qt sources and build them and then I could compile my progs.
Very happy now.

Regards,
Axel


On Fri, 03 May 2002, James Kelty wrote:

> What I think is going on here is that the configure cannot locate the Qt
> library headers from the linker.
> 
> Where ever it is that you put them you'll need to add it to
> /etc/ld.so.conf
> 
> like this
> 
> cat /etc/ld.so.conf
> 
> /usr/lib
> /lib
> /usr/local/lib
> /usr/local/qt/lib     # <-- Add something like that!
> 
> Then you'll run this command.
> 
> /sbin/ldconfig
> 
> Then do a make distclean on your software package, and try configure
> again!
> 
> Also, there may be a --with-qt=/path/to/qt/library option to the
> configure script
> 
> run configure like this ./configure --help to get a list of the options.
> 
> -James
> 
> On Fri, 2002-05-03 at 12:18, Axel H. Siebenwirth wrote:
> > 
> > Hi, I posted this to linux-newbie already. But now I still hope that you
> > linux administrators can help me. The problems is about linking qt
> > libraries? Well, any configure of a program that uses qt doesn´t find my qt
> > libraries, either qt2 or qt3.
> > 
> > Axel
> > 
> > ----- Forwarded message from "Axel H. Siebenwirth" <axel@hh59.org> -----
> > 
> > From: "Axel H. Siebenwirth" <axel@hh59.org>
> > Subject: Configure for a program that uses QT fails
> > To: linux-newbie@vger.kernel.org
> > Date: 	Thu, 2 May 2002 15:24:17 +0200
> > Mail-Followup-To: linux-newbie@vger.kernel.org
> > User-Agent: Mutt/1.3.28i
> > 
> > Hi,
> > 
> > I´m completely desperate. Several times I have tried to build programs from
> > source that use the QT library. Now I again tried to configure kdevelop, but
> > it never succesfully finds the qt libraries. I have no idea whats wrong.
> > Everything should be ok. Every other source I want to configure for a build
> > and that uses qt fails as well.
> > 
> > Please help me! Give me hints on what I could do or check for..
> > 
> > Thank you very much in advance,
> > Axel Siebenwirth
> > 
> > 	Here are the errors:
> > 
> > checking for Qt... configure: error: Qt (>= Qt 3.0.2) (library qt-mt) not
> > found. Please check your installation!
> > 
> > 	config.log:
> > 
> > configure:19187: checking for Qt
> > configure: 19249: /usr/lib/qt3/include/qstyle.h
> > taking that
> > tried NO
> > configure:19354: rm -rf SunWS_cache; g++ -o conftest -Wnon-virtual-dtor
> > -Wno-long-long -Wbad-function-cast -Wundef -Wall -pedantic -W
> > -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -ansi
> > -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -Wcast-align -Wconversion -O2
> > -fno-exceptions -fno-check-new -I/usr/lib/qt3/include -I/usr/X11R6/include
> > -DQT_THREAD_SUPPORT  -D_REENTRANT  -L/usr/lib/qt3/lib -L/usr/X11R6/lib
> > conftest.cc  -lqt-mt -lpng -lz -lm -ljpeg -ldl  -lXext -lX11 -lSM -lICE
> > -lresolv -lpthread 1>&5
> > /tmp/cclqqmci.o: In function 
> ain':
> > /tmp/cclqqmci.o(.text+0x12): undefined reference to \x11String::null'
> > /tmp/cclqqmci.o(.text+0x17): undefined reference to
> > \x11StyleFactory::create(QString const&)'
> > /tmp/cclqqmci.o(.text+0x27): undefined reference to
> > \x11Cursor::QCursor[in-charge](int)'
> > /tmp/cclqqmci.o(.text+0x2f): undefined reference to \x11Cursor::~QCursor
> > [in-charge]()'
> > /usr/X11R6/lib/libfontconfig.so.1: undefined reference to \x06T_Get_Next_Char'
> > collect2: ld returned 1 exit status
> > configure:19357: $? = 1
> > configure: failed program was:
> > #include "confdefs.h"
> > #include <qglobal.h>
> > #include <qapplication.h>
> > #include <qcursor.h>
> > #include <qstylefactory.h>
> > #include <private/qucomextra_p.h>
> > #if ! (QT_VERSION >= 302)
> > #error 1
> > #endif
> > 
> > int main() {
> >     (void)QStyleFactory::create(QString::null);
> >     QCursor c(Qt::WhatsThisCursor);
> >     return 0;
> > }
> > configure:19396: error: Qt (>= Qt 3.0.2) (library qt-mt) not found. Please
> > check your installation!
> > 
> > 
> > 	my environment:
> > 
> > QTDIR=/usr/lib/qt3
> > KDEDIR=/opt/kde3
> > 
> > 	my libs:
> > 
> > /usr/lib/libqt-mt.so.2 -> qt2/lib/libqt-mt.so.2
> > /usr/lib/libqt-mt.so.3 -> ../lib/qt3/lib/libqt-mt.so.3
> > 
> > lrwxrwxrwx    1 root     root            8 Apr 25 00:48 /usr/lib/qt2 -> 
> > qt-2.3.2
> > lrwxrwxrwx    1 root     root            8 Apr 15 17:34 /usr/lib/qt3 -> 
> > qt-3.0.3
> > 
> > /usr/lib/qt-2.3.2:
> > total 14
> > drwxr-xr-x    2 root     root          303 Apr 25 00:48 bin
> > drwxr-xr-x    2 root     root           55 Apr 25 00:48 doc
> > drwxr-xr-x   76 root     root         1838 Apr 25 00:48 examples
> > drwxr-xr-x    4 root     root           77 Apr 25 00:49 extensions
> > drwxr-xr-x    2 root     root         8187 Apr 25 00:49 include
> > drwxr-xr-x    2 root     root          674 Apr 25 00:49 lib
> > drwxr-xr-x    3 root     root           59 Apr 25 00:48 tools
> > drwxr-xr-x   16 root     root          366 Apr 25 00:48 tutorial
> > 
> > /usr/lib/qt-3.0.3:
> > total 15
> > drwxr-xr-x    2 root     root          392 Apr 25 00:50 bin
> > drwxr-xr-x    5 root     root          103 Apr 15 17:35 doc
> > drwxr-xr-x    3 root     root           59 Apr 21 17:45 etc
> > drwxr-xr-x    3 root     root         9244 Apr 23 13:41 include
> > drwxr-xr-x    2 root     root          576 Apr 25 00:50 lib
> > drwxr-xr-x   52 root     root         1329 Apr 21 17:44 mkspecs
> > drwxr-xr-x    6 root     root          135 Apr 21 17:45 plugins
> > drwxr-xr-x    2 root     root          196 Apr 25 00:49 templates
> > 
> > qt3/lib> l libqt-mt.*
> > -rwxr-xr-x    1 root     root     10282078 Apr 21 17:56 libqt-mt.a
> > lrwxrwxrwx    1 root     root           17 Apr 15 17:34 libqt-mt.so ->
> > libqt-mt.so.3.0.3
> > lrwxrwxrwx    1 root     root           17 Apr 15 17:34 libqt-mt.so.3 ->
> > libqt-mt.so.3.0.3
> > lrwxrwxrwx    1 root     root           17 Apr 15 17:34 libqt-mt.so.3.0 ->
> > libqt-mt.so.3.0.3
> > -rwxr-xr-x    1 root     root      7554895 Apr 21 17:45 libqt-mt.so.3.0.3
> > -
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