qtopia-2.2.0编译问题

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********* Build Qtopia ************
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QPE_CFG="'edition' 'pda' '-displaysize' '320x240' '-fontfamilies' 'helvetica fixed micro smallsmooth smoothtimes unifont' '-luuid' -no-qtopiadesktop -release -platform 'linux-g++' -xplatform 'linux-arm-g++'"

The following configuration values have been guessed or autodetected:
    -arch arm
    -edition pda
    -fontsizes all
    -fontstyles 50 50i 75 75i
    -languages en_US

WARNING: defaultbuttons-arm.conf does not exist.
Symlinking header files to include directory
Creating qmake...No makedepend available
make[1]: 正在进入目录 `/liang_work_linux/qt/Qte/qtopia-2.2.0/qtopia/qmake'
.make[1]:正在离开目录 `/liang_work_linux/qt/Qte/qtopia-2.2.0/qtopia/qmake'

Creating pngscale...make[1]: 正在进入目录 `/liang_work_linux/qt/Qte/qtopia-2.2.0/qtopia/util/pngscale'
..make[1]: *** [../../bin/pngscale] 错误 1
make[1]:正在离开目录 `/liang_work_linux/qt/Qte/qtopia-2.2.0/qtopia/util/pngscale'
Failed to make pngscale

***********************************************************************
*  
*                  ERROR: Building Qtopia has failed.
*  
* Please search the make output for any error messages.
*  
* Hint: If the configuration has changed since the last successfull
* build consider using make clean to ensure that all binaries
* are rebuilt using the new configuration.
*  
* For more information about the build process please use a browser
* and go to the getting started section in:
*     /liang_work_linux/qt/Qte/qtopia-2.2.0/qtopia/doc/html/index.html
*  
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编译器用的是EABI-4.3.3_EmbedSky_20091210.tar.bz2中的4.3.3.不知道是为什么？

你那里的开发环境是怎么样的？