交叉编译QT

// 下载文件

qt-x11-opensource-src-4.4.3.tar.gz，qt-embedded-linux-opensource-src-4.4.3.tar.gz，arm-linux-gcc-3.4.1.tar.bz2

// 编译环境

CentOS-4.4， gcc version 3.4.6 20060404 (Red Hat 3.4.6-3)

// 编译qt-x11-opensource-src-4.4.3 (得到静态链接的qvfb) 

./configure -release -static -nomake examples -nomake demos -no-qt3support -no-openssl -no-opengl -no-webkit -no-phonon -no-sql-sqlite

gmake

cd ./tools/qvfb

gmake

gmake install

// 编译qt-embedded-linux-opensource-src-4.4.3 (for x86) 

./configure -release -qconfig full -depths 4,16,24,32 -system-libjpeg -system-libpng -system-zlib -qvfb -embedded x86

gmake

gmake install

cp qvfb /usr/local/Trolltech/QtEmbedded-4.4.3/bin/ //复制qvfb

// 修改 /etc/profile 文件内容如下 

export QTDIR=/usr/local/Trolltech/QtEmbedded-4.4.3

PATH=$QTDIR/bin:$PATH

MANPATH=$QTDIR/doc/man:$MANPATH

LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH

QMAKESPEC=$QTDIR/mkspecs/linux-g++

export QTDIR PATH MANPATH LD_LIBRARY_PATH QMAKESPEC

// 修改 ~/.bash_profile 文件内容如下

# .bash_profile

# Get the aliases and functions

if [ -f ~/.bashrc ]; then

. ~/.bashrc

fi

# User specific environment and startup programs

unset USERNAME

QTDIR=/usr/local/Trolltech/QtEmbedded-4.4.3

PATH=$QTDIR/bin:$PATH

MANPATH=$QTDIR/doc/man:$MANPATH

LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH

QMAKESPEC=$QTDIR/mkspecs/linux-g++

export QTDIR PATH MANPATHLD_LIBRARY_PATH QMAKESPEC

// 使 .bash_profile 生效 

source .bash_profile

// 编译QtEmbedded应用程序 

qmake -project  //生成pro

qmake //生成Makefile

make //生成可执行文件

//运行QtEmbedded应用程序 

qvfb &

./qtdemo -qws

// 编译qt-embedded-linux-opensource-src-4.4.3 (for arm) 

./configure -embedded arm -xplatform qws/linux-arm-g++ -depths 16 -no-qt3support -little-endian