谢谢你的帮忙，又有新问题：编译qt-embedded-linux-opensource-src-4.4.0出现如下错误：不知如何解决。还望在次帮忙！！！！
错误信息：painting/qdrawhelper.cpp: In function ‘const uint* fetchUntransformed(uint*, const Operator*, const QSpanData*, int, int, int) [with QImage::Format format = Format_ARGB32_Premultiplied]’:
painting/qdrawhelper.cpp:652: 警告：lowering visibility of ‘const uint* fetchUntransformed(uint*, const Operator*, const QSpanData*, int, int, int) [with QImage::Format format = Format_ARGB32_Premultiplied]’ to match its type
painting/qdrawhelper.cpp: At global scope:
painting/qdrawhelper.cpp:5164: 警告：‘void blend_tiled_rgb16(int, const QSpan*, void*)’ 定义后未使用
compiling painting/qimagescale.cpp
../../../3rdparty/libmng/libmng_chunk_prc.c:3275: 警告：未使用的参数 ‘pChunkto’
../../../3rdparty/libmng/libmng_chunk_prc.c:4079: 警告：未使用的参数 ‘pChunkto’
compiling ../../../3rdparty/libmng/libmng_chunk_xs.c
../../../3rdparty/libmng/libmng_chunk_xs.c:6815: 警告：未使用的参数 ‘hHandle’
../../../3rdparty/libmng/libmng_chunk_xs.c:6816: 警告：未使用的参数 ‘iSeqnr’
../../../3rdparty/libmng/libmng_chunk_xs.c:6817: 警告：未使用的参数 ‘iCanvasstyle’
../../../3rdparty/libmng/libmng_chunk_xs.c:6818: 警告：未使用的参数 ‘fGetcanvasline’
../../../3rdparty/libmng/libmng_object_prc.c:3255: 警告：未使用的变量 ‘pTemp’
../../../3rdparty/libmng/libmng_object_prc.c: 在顶层：
../../../3rdparty/libmng/libmng_object_prc.c:4899: 警告：未使用的参数 ‘pData’
../../../3rdparty/libmng/libmng_object_prc.c:4900: 警告：未使用的参数 ‘pObject’
/../../3rdparty/libmng/libmng_pixels.c:20338: 警告：未使用的参数 ‘pData’
../../../3rdparty/libmng/libmng_pixels.c:20400: 警告：未使用的参数 ‘pData’
gmake[1]: Leaving directory `/home/qt/qte/tools'
cd examples/ && gmake -f Makefile
gmake[1]: Entering directory `/home/qt/qte/examples'
cd desktop/ && gmake -f Makefile
gmake[2]: Entering directory `/home/qt/qte/examples/desktop'
cd screenshot/ && gmake -f Makefile
gmake[3]: Entering directory `/home/qt/qte/examples/desktop/screenshot'
/home/qt/qte/bin/qmake -spec ../../../mkspecs/qws/linux-x86-g++ -unix -o Makefile screenshot.pro
gmake[3]: Leaving directory `/home/qt/qte/examples/desktop/screenshot'
gmake[3]: Entering directory `/home/qt/qte/examples/desktop/screenshot'
compiling main.cpp
compiling screenshot.cpp
screenshot.cpp: In member function ‘void Screenshot::saveScreenshot()’:
screenshot.cpp:97: 错误：‘QFileDialog’ 未声明
gmake[3]: *** [.obj/debug-shared-emb-x86/screenshot.o] 错误 1
gmake[3]: Leaving directory `/home/qt/qte/examples/desktop/screenshot'
gmake[2]: *** [sub-screenshot-make_default-ordered] 错误 2
gmake[2]: Leaving directory `/home/qt/qte/examples/desktop'
gmake[1]: *** [sub-desktop-make_default] 错误 2
gmake[1]: Leaving directory `/home/qt/qte/examples'
gmake: *** [sub-examples-make_default-ordered] 错误 2
。。。。。。。。。。。
初学好多不会，请教！！
