harry@debian:~/kde/build/KDE/kdeedu/step$ make -j2 && make install
makeobj[0]: Entering directory `/home/harry/kde/build/KDE/kdeedu/step'
cd /home/harry/kde/build/KDE/kdeedu && /usr/bin/cmake -H/home/harry/kde/src/KDE/kdeedu -B/home/harry/kde/build/KDE/kdeedu --check-build-system CMakeFiles/Makefile.cmake 0                                                                      
cd /home/harry/kde/build/KDE/kdeedu && /usr/bin/cmake -E cmake_progress_start /home/harry/kde/build/KDE/kdeedu/CMakeFiles 4                                                                                                                     
cd /home/harry/kde/build/KDE/kdeedu && /usr/bin/make -f CMakeFiles/Makefile2 step/all                                   
make[1]: Entering directory `/home/harry/kde/build/KDE/kdeedu'                                                          
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make[2]: Entering directory `/home/harry/kde/build/KDE/kdeedu'                                                          
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make[2]: Entering directory `/home/harry/kde/build/KDE/kdeedu'                                                          
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/usr/bin/cmake -E cmake_progress_report /home/harry/kde/build/KDE/kdeedu/CMakeFiles  97                                 
[ 25%] Built target stepcore                                                                                            
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make[2]: Entering directory `/home/harry/kde/build/KDE/kdeedu'                                                          
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make[2]: Entering directory `/home/harry/kde/build/KDE/kdeedu'                                                          
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/usr/bin/c++   -pipe -O2 -march=pentium4   -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -fno-check-new -fno-common -Woverloaded-virtual -fvisibility=hidden -fvisibility-inlines-hidden -g3 -fno-inline -I/home/harry/kde/build/KDE/kdeedu/step/step -I/home/harry/kde/src/KDE/kdeedu/step/step -I/home/harry/kde/src/KDE/kdeedu -I/home/harry/kde/build/KDE/kdeedu -I/home/harry/kde/src/KDE/kdeedu/step/. -I/home/harry/kde/include -I/home/harry/kde/include/KDE -I/home/harry/qt-copy/include/QtHelp -I/home/harry/qt-copy/include/QtWebKit -I/home/harry/qt-copy/include/QtDBus -I/home/harry/qt-copy/include/QtTest -I/home/harry/qt-copy/include/QtUiTools -I/home/harry/qt-copy/include/QtScript -I/home/harry/qt-copy/include/QtSvg -I/home/harry/qt-copy/include/QtXml -I/home/harry/qt-copy/include/QtSql -I/home/harry/qt-copy/include/QtOpenGL -I/home/harry/qt-copy/include/QtNetwork -I/home/harry/qt-copy/include/QtDesigner -I/home/harry/qt-copy/include/QtAssistant -I/home/harry/qt-copy/include/Qt3Support -I/home/harry/qt-copy/include/QtGui -I/home/harry/qt-copy/include/QtCore -I/home/harry/qt-copy/include/Qt -I/home/harry/qt-copy/mkspecs/default -I/home/harry/qt-copy/include   -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -D_GNU_SOURCE -DQT_NO_STL -DQT_NO_CAST_TO_ASCII -D_REENTRANT -DKDE_DEPRECATED_WARNINGS -DGETFEM_PARA_LEVEL=0 -DSTEPCORE_WITH_QT -DSTEPCORE_WITH_GSL -DSTEP_WITH_QALCULATE -DSTEP_WITH_UNITSCALC -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -D_GNU_SOURCE -DQT_NO_STL -DQT_NO_CAST_TO_ASCII -D_REENTRANT -DKDE_DEPRECATED_WARNINGS -o step/step/CMakeFiles/step.dir/unitscalc.o -c /home/harry/kde/src/KDE/kdeedu/step/step/unitscalc.cc
/usr/bin/cmake -E cmake_progress_report /home/harry/kde/build/KDE/kdeedu/CMakeFiles
[ 25%] Building CXX object step/step/CMakeFiles/step.dir/main.o
/usr/bin/c++   -pipe -O2 -march=pentium4   -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -fno-check-new -fno-common -Woverloaded-virtual -fvisibility=hidden -fvisibility-inlines-hidden -g3 -fno-inline -I/home/harry/kde/build/KDE/kdeedu/step/step -I/home/harry/kde/src/KDE/kdeedu/step/step -I/home/harry/kde/src/KDE/kdeedu -I/home/harry/kde/build/KDE/kdeedu -I/home/harry/kde/src/KDE/kdeedu/step/. -I/home/harry/kde/include -I/home/harry/kde/include/KDE -I/home/harry/qt-copy/include/QtHelp -I/home/harry/qt-copy/include/QtWebKit -I/home/harry/qt-copy/include/QtDBus -I/home/harry/qt-copy/include/QtTest -I/home/harry/qt-copy/include/QtUiTools -I/home/harry/qt-copy/include/QtScript -I/home/harry/qt-copy/include/QtSvg -I/home/harry/qt-copy/include/QtXml -I/home/harry/qt-copy/include/QtSql -I/home/harry/qt-copy/include/QtOpenGL -I/home/harry/qt-copy/include/QtNetwork -I/home/harry/qt-copy/include/QtDesigner -I/home/harry/qt-copy/include/QtAssistant -I/home/harry/qt-copy/include/Qt3Support -I/home/harry/qt-copy/include/QtGui -I/home/harry/qt-copy/include/QtCore -I/home/harry/qt-copy/include/Qt -I/home/harry/qt-copy/mkspecs/default -I/home/harry/qt-copy/include   -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -D_GNU_SOURCE -DQT_NO_STL -DQT_NO_CAST_TO_ASCII -D_REENTRANT -DKDE_DEPRECATED_WARNINGS -DGETFEM_PARA_LEVEL=0 -DSTEPCORE_WITH_QT -DSTEPCORE_WITH_GSL -DSTEP_WITH_QALCULATE -DSTEP_WITH_UNITSCALC -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -D_GNU_SOURCE -DQT_NO_STL -DQT_NO_CAST_TO_ASCII -D_REENTRANT -DKDE_DEPRECATED_WARNINGS -o step/step/CMakeFiles/step.dir/main.o -c /home/harry/kde/src/KDE/kdeedu/step/step/main.cc
In file included from /usr/include/cln/cln.h:27,
                 from /usr/include/libqalculate/Number.h:17,
                 from /usr/include/libqalculate/MathStructure.h:16,
                 from /usr/include/libqalculate/Calculator.h:149,
                 from /usr/include/libqalculate/qalculate.h:17,
                 from /home/harry/kde/src/KDE/kdeedu/step/step/unitscalc.cc:23:
/usr/include/cln/string.h: In static member function ‘static void* cln::cl_heap_string::operator new(size_t)’:
/usr/include/cln/string.h:21: error: exception handling disabled, use -fexceptions to enable
make[2]: *** [step/step/CMakeFiles/step.dir/unitscalc.o] Error 1
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make: *** [all] Error 2
makeobj[0]: Leaving directory `/home/harry/kde/build/KDE/kdeedu/step'