Running build steps for project 123...
Starting: /home/hubble/qtsdk-2009.03/qt/bin/qmake /home/hubble/123/123.pro -spec linux-g++ -r CONFIG+=debug
Exited with code 0.
Starting: /usr/bin/make -w
make: Entering directory `/home/hubble/123'
g++ -Wl,-rpath,/home/hubble/qtsdk-2009.03/qt/lib -o 123 main.o -L/home/hubble/qtsdk-2009.03/qt/lib -lQtGui -L/home/hubble/qtsdk-2009.03/qt/lib -L/usr/X11R6/lib -pthread -lfreetype -lgobject-2.0 -lSM -lICE -pthread -pthread -lXrender -lfontconfig -lXext -lX11 -lQtCore -lm -pthread -lgthread-2.0 -lrt -lglib-2.0 -ldl -lpthread
/usr/bin/ld: cannot find -lfreetype
collect2: ld 返回 1
make: Leaving directory `/home/hubble/123'
make: *** [123] 错误 1
Exited with code 2.
Error while building project 123
When executing build step 'Make'
到底是什么原因呢?