[CMake] CMake 2.6.2 can't find QtCore

clinton at elemtech.com clinton at elemtech.com
Wed Nov 5 14:56:29 EST 2008 

Your /usr/lib/libQtCore.so is a broken softlink to a file that doesn't exist.
Something is wrong with your Qt installation.

Clint

On Wednesday 05 November 2008 12:53:01 pm Serhii Piddubchak wrote:
> dusoft at suse-note:/var/media/games> qmake -query QT_INSTALL_LIBS
> /usr/lib
> dusoft at suse-note:/var/media/games> ls -lh /usr/lib/libQtCore*
> -rw-r--r-- 1 root root  687 2008-09-19 19:27 /usr/lib/libQtCore.la
> -rw-r--r-- 1 root root  633 2008-09-19 19:27 /usr/lib/libQtCore.prl
> lrwxrwxrwx 1 root root   18 2008-10-26 23:50 /usr/lib/libQtCore.so ->
> libQtCore.so.4.4.0
> lrwxrwxrwx 1 root root   18 2008-10-30 11:24 /usr/lib/libQtCore.so.4
> -> libQtCore.so.4.4.3
> lrwxrwxrwx 1 root root   18 2008-10-30 11:24 /usr/lib/libQtCore.so.4.4
> -> libQtCore.so.4.4.3
> -rwxr-xr-x 1 root root 2.2M 2008-10-12 19:01 /usr/lib/libQtCore.so.4.4.3
>
> 2008/11/5  <clinton at elemtech.com>:
> > What does "qmake -query QT_INSTALL_LIBS" give you?
> > Do you even have a /usr/lib/libQtCore.so?  Or something like that?
> >
> > Clint
> >
> > On Wednesday 05 November 2008 9:36:45 am Serhii Piddubchak wrote:
> >> Hello, I'm using OpenSUSE 11.0 and trying to build software that uses
> >> QT. I have QT and QT-devel packages installed but CMake says it Can't
> >> find QtCore. I've posted a question about this to a project's forum
> >> here:
> >>
> >> http://www.hedgewars.org/forum/viewtopic.php?id=648
> >>
> >> They said it could be a CMake bug.
> >> Here is the log(versions of cmake and qt are included):
> >>
> >> dusoft at suse-note:~/builds> tar jxf
> >> ~/downloads/hedgewars-src-0.9.7.tar.bz2 dusoft at suse-note:~/builds> cd
> >> hedgewars-src-0.9.7/
> >> dusoft at suse-note:~/builds/hedgewars-src-0.9.7> cmake .
> >> -- The C compiler identification is GNU
> >> -- The CXX compiler identification is GNU
> >> -- Check for working C compiler: /usr/bin/gcc
> >> -- Check for working C compiler: /usr/bin/gcc -- works
> >> -- Detecting C compiler ABI info
> >> -- Detecting C compiler ABI info - done
> >> -- Check for working CXX compiler: /usr/bin/c++
> >> -- Check for working CXX compiler: /usr/bin/c++ -- works
> >> -- Detecting CXX compiler ABI info
> >> -- Detecting CXX compiler ABI info - done
> >> -- Looking for Q_WS_X11
> >> -- Looking for Q_WS_X11 - found
> >> -- Looking for Q_WS_WIN
> >> -- Looking for Q_WS_WIN - not found.
> >> -- Looking for Q_WS_QWS
> >> -- Looking for Q_WS_QWS - not found.
> >> -- Looking for Q_WS_MAC
> >> -- Looking for Q_WS_MAC - not found.
> >> CMake Error at /usr/share/cmake/Modules/FindQt4.cmake:788 (MESSAGE):
> >>   Could NOT find QtCore.  Check
> >>   /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeError.log for
> >> more details.
> >> Call Stack (most recent call first):
> >>   QTfrontend/CMakeLists.txt:11 (find_package)
> >>
> >>
> >> -- Configuring incomplete, errors occurred!
> >> dusoft at suse-note:~/builds/hedgewars-src-0.9.7> cmake --version
> >> cmake version 2.6-patch 2
> >> dusoft at suse-note:~/builds/hedgewars-src-0.9.7> cat
> >> CMakeFiles/CMakeError.log Determining if the Q_WS_WIN exist failed with
> >> the following output: Change Dir:
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp
> >>
> >> Run Build Command:/usr/bin/gmake "cmTryCompileExec/fast"
> >> /usr/bin/gmake -f CMakeFiles/cmTryCompileExec.dir/build.make
> >> CMakeFiles/cmTryCompileExec.dir/build
> >> gmake[1]: Entering directory
> >> `/home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp'
> >> /usr/bin/cmake -E cmake_progress_report
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CMakeFiles
> >> 1
> >> Building C object CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o
> >> /usr/bin/gcc    -o
> >> CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o   -c
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c: In function 'main':
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: 'Q_WS_WIN' undeclared (first use in this function)
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: (Each undeclared identifier is reported only once
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: for each function it appears in.)
> >> gmake[1]: *** [CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o]
> >> Error 1 gmake[1]: Leaving directory
> >> `/home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp'
> >> gmake: *** [cmTryCompileExec/fast] Error 2
> >>
> >> File
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c: /* */
> >> #include <QtCore/qglobal.h>
> >>
> >> void cmakeRequireSymbol(int dummy,...){(void)dummy;}
> >> int main()
> >> {
> >> #ifndef Q_WS_WIN
> >>   cmakeRequireSymbol(0,&Q_WS_WIN);
> >> #endif
> >>   return 0;
> >> }
> >>
> >> Determining if the Q_WS_QWS exist failed with the following output:
> >> Change Dir: /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp
> >>
> >> Run Build Command:/usr/bin/gmake "cmTryCompileExec/fast"
> >> /usr/bin/gmake -f CMakeFiles/cmTryCompileExec.dir/build.make
> >> CMakeFiles/cmTryCompileExec.dir/build
> >> gmake[1]: Entering directory
> >> `/home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp'
> >> /usr/bin/cmake -E cmake_progress_report
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CMakeFiles
> >> 1
> >> Building C object CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o
> >> /usr/bin/gcc    -o
> >> CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o   -c
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c: In function 'main':
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: 'Q_WS_QWS' undeclared (first use in this function)
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: (Each undeclared identifier is reported only once
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: for each function it appears in.)
> >> gmake[1]: *** [CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o]
> >> Error 1 gmake[1]: Leaving directory
> >> `/home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp'
> >> gmake: *** [cmTryCompileExec/fast] Error 2
> >>
> >> File
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c: /* */
> >> #include <QtCore/qglobal.h>
> >>
> >> void cmakeRequireSymbol(int dummy,...){(void)dummy;}
> >> int main()
> >> {
> >> #ifndef Q_WS_QWS
> >>   cmakeRequireSymbol(0,&Q_WS_QWS);
> >> #endif
> >>   return 0;
> >> }
> >>
> >> Determining if the Q_WS_MAC exist failed with the following output:
> >> Change Dir: /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp
> >>
> >> Run Build Command:/usr/bin/gmake "cmTryCompileExec/fast"
> >> /usr/bin/gmake -f CMakeFiles/cmTryCompileExec.dir/build.make
> >> CMakeFiles/cmTryCompileExec.dir/build
> >> gmake[1]: Entering directory
> >> `/home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp'
> >> /usr/bin/cmake -E cmake_progress_report
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CMakeFiles
> >> 1
> >> Building C object CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o
> >> /usr/bin/gcc    -o
> >> CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o   -c
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c: In function 'main':
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: 'Q_WS_MAC' undeclared (first use in this function)
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: (Each undeclared identifier is reported only once
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c:8: error: for each function it appears in.)
> >> gmake[1]: *** [CMakeFiles/cmTryCompileExec.dir/CheckSymbolExists.c.o]
> >> Error 1 gmake[1]: Leaving directory
> >> `/home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp'
> >> gmake: *** [cmTryCompileExec/fast] Error 2
> >>
> >> File
> >> /home/dusoft/builds/hedgewars-src-0.9.7/CMakeFiles/CMakeTmp/CheckSymbolE
> >>xis ts.c: /* */
> >> #include <QtCore/qglobal.h>
> >>
> >> void cmakeRequireSymbol(int dummy,...){(void)dummy;}
> >> int main()
> >> {
> >> #ifndef Q_WS_MAC
> >>   cmakeRequireSymbol(0,&Q_WS_MAC);
> >> #endif
> >>   return 0;
> >> }
> >> dusoft at suse-note:~/builds/hedgewars-src-0.9.7> qmake --version
> >> QMake version 2.01a
> >> Using Qt version 4.4.0 in /usr/lib

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