Re: (fwd) Configure for a program that uses QT fails

[James Kelty <james@everbase.net>]

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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