makepkg on qt-demos -- plugandpaint

cd plugandpaint/ && /usr/bin/qmake /home/alireza/dev/sources/qt-demos/src/qt-everywhere-opensource-src-4.7.4/examples/tools/plugandpaint/plugandpaint.pro -o Makefile
cd plugandpaint/ && make -f Makefile
make[2]: Entering directory `/home/alireza/dev/sources/qt-demos/src/qt-everywhere-opensource-src-4.7.4/examples/tools/plugandpaint'
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o main.o main.cpp
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o mainwindow.o mainwindow.cpp
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o paintarea.o paintarea.cpp
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o plugindialog.o plugindialog.cpp
/usr/bin/moc -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. mainwindow.h -o moc_mainwindow.cpp
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o moc_mainwindow.o moc_mainwindow.cpp
/usr/bin/moc -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. paintarea.h -o moc_paintarea.cpp
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o moc_paintarea.o moc_paintarea.cpp
/usr/bin/moc -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. plugindialog.h -o moc_plugindialog.cpp
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt/mkspecs/linux-g++ -I. -I/usr/include/QtCore -I/usr/include/QtGui -I/usr/include -I. -o moc_plugindialog.o moc_plugindialog.cpp
g++ -Wl,-O1,--sort-common,--as-needed,-z,relro,--hash-style=gnu -Wl,-O1 -o plugandpaint main.o mainwindow.o paintarea.o plugindialog.o moc_mainwindow.o moc_paintarea.o moc_plugindialog.o    -L/usr/lib -L/examples/tools/plugandpaint/plugins -lpnp_basictools -lQtGui -lQtCore -lpthread
/usr/bin/ld: cannot find -lpnp_basictools
collect2: ld returned 1 exit status
make[2]: *** [plugandpaint] Error 1
make[2]: Leaving directory `/home/alireza/dev/sources/qt-demos/src/qt-everywhere-opensource-src-4.7.4/examples/tools/plugandpaint'
make[1]: *** [sub-plugandpaint-make_default-ordered] Error 2
make[1]: Leaving directory `/home/alireza/dev/sources/qt-demos/src/qt-everywhere-opensource-src-4.7.4/examples/tools'
make: *** [sub-tools-make_default] Error 2
==> ERROR: A failure occurred in build().
    Aborting...
[alireza@ArchLinux qt-demos]$