在编译Qt/Embedded for ARM时

   #cd /friendly-arm/arm-qtopia
   #./build (该过程比较长，需要运行大概30分钟左右)



出现如下错误:
arm-linux-g++  -c -I/friendly-arm/arm-qtopia/qtopia/include -I/friendly-arm/arm-qtopia/qt/include -pipe -DQWS -fno-exceptions -fno-rtti -O2 -Wall -W -DNO_DEBUG
-DQTOPIA_APP_INTERFACE -I.moc/linux-arm-g++/ -o .obj/linux-arm-g++//moc_sysinfo.o .moc/linux-arm-g++//moc_sysinfo.cpp
arm-linux-gcc -L/friendly-arm/arm-qtopia/qtopia/lib -Wl,-rpath,/friendly-arm/arm-qtopia/qtopia/lib -L/friendly-arm/arm-qtopia/qt/lib -Wl,-rpath,/friendly-arm/arm-qtopia/qt/lib   -o /friendly-arm/arm-qtopia/qtopia/bin/sysinfo .obj/linux-arm-g++//memory.o .obj/linux-arm-g++//graph.o .obj/linux-arm-g++//load.o .obj/linux-arm-g++//storage.o .obj/linux-arm-g++//versioninfo.o .obj/linux-arm-g++//sysinfo.o .obj/linux-arm-g++//main.o .obj/linux-arm-g++//moc_memory.o .obj/linux-arm-g++//moc_graph.o .obj/linux-arm-g++//moc_load.o .obj/linux-arm-g++//moc_storage.o
.obj/linux-arm-g++//moc_versioninfo.o .obj/linux-arm-g++//moc_sysinfo.o  -lqpe -lqtopia -lqte -lm
/usr/local/arm/3.3.2/lib/gcc-lib/arm-linux/3.3.2/../../../../arm-linux/bin/ld: cannot find -lqtopia
collect2: ld returned 1 exit status
make[1]: *** [/friendly-arm/arm-qtopia/qtopia/bin/sysinfo] Error 1
make[1]: Leaving directory `/friendly-arm/arm-qtopia/qtopia/src/applications/sysinfo'
make: *** [applications/sysinfo] Error 2
[root@diao arm-qtopia]# 请问这是为什?