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环境搭建和buildroot简单的介绍请看:http://blog.csdn.net/lidroid/article/details/48022405
在buildroot中想要编译第三方的库,都在Taget Packages中,如待会编译的Qt(这里使用的是buildroot-2015-02的版本,配置和之前一样)
一、配置编译Qt
root@zxl:/work/tools/buildroot-2015.02# make menuconfig Target packages ---> Graphic libraries and applications (graphic/text) ---> [*] Qt ---> Library type (Shared library) ---> //选择编译成共享库 [*] Approve free license //导入自由许可证 Pixel depths ---> [*] 16 bpp, rgb 5-6-5 [*] 24 bpp, rgb 8-8-8 [*] 32 bpp, argb 8-8-8-8 and rgb 8-8-8 Fonts ---> //个人全部选上,字库 freetype2 support (System freetype2) ---> JPEG support (System libjpeg) ---> zlib support (System zlib) ---> Graphics drivers ---> [*] Linux Framebuffer Mouse drivers ---> [*] linuxtp [*] linux input [*] tslib
二、编译buildroot(编译时间,老爷机编译了2个小时左右),查看根文件系统是否安装了Qt相关的库
- root@zxl:/work/tools/buildroot-2015.02# ls output/target/usr/lib/libQ*
- output/target/usr/lib/libQtCore.so.4 output/target/usr/lib/libQtGui.so.4.8.6 output/target/usr/lib/libQtScript.so.4.8
- output/target/usr/lib/libQtCore.so.4.8 output/target/usr/lib/libQtNetwork.so.4 output/target/usr/lib/libQtScript.so.4.8.6
- output/target/usr/lib/libQtCore.so.4.8.6 output/target/usr/lib/libQtNetwork.so.4.8 output/target/usr/lib/libQtXml.so.4
- output/target/usr/lib/libQtGui.so.4 output/target/usr/lib/libQtNetwork.so.4.8.6 output/target/usr/lib/libQtXml.so.4.8
- output/target/usr/lib/libQtGui.so.4.8 output/target/usr/lib/libQtScript.so.4 output/target/usr/lib/libQtXml.so.4.8.6
- root@zxl:/work/tools/buildroot-2015.02#
三、挂载根文件系统并且测试Qt
3.1、编译Qt的测试程序,进入qt源码
- root@zxl:/work/tools/buildroot-2015.02/output/build/qt-4.8.6# ls4
- bin config.tests doc INSTALL LICENSE.GPL3 plugins src util
- changes-4.8.6 configure examples LGPL_EXCEPTION.txt LICENSE.LGPL projects.pro templates
- config.profiles configure.exe imports lib Makefile qmake tools
- config.status demos include LICENSE.FDL mkspecs README translations
- root@zxl:/work/tools/buildroot-2015.02/output/build/qt-4.8.6#
上面的demos为Qt源码自带的例子,咱们就使用其来测试即可。测试前先要qmake -project在qmake在make即可生成Qt可执行文件。
第一个问题:qmake这个命令在哪里?答:在buildroot-2015.02/output/build/qt-4.8.6/bin/qmake
3.2、把生成的mainwindow拷贝到挂载的文件系统去运行:
root@zxl:/work/tools/buildroot-2015.02/output/build/qt-4.8.6/demos/mainwindow# ../../bin/qmake root@zxl:/work/tools/buildroot-2015.02/output/build/qt-4.8.6/demos/mainwindow# make moc colorswatch.cpp compiling colorswatch.cpp compiling mainwindow.cpp compiling toolbar.cpp compiling main.cpp moc colorswatch.h compiling .moc/release-shared-emb-arm/moc_colorswatch.cpp moc mainwindow.h compiling .moc/release-shared-emb-arm/moc_mainwindow.cpp moc toolbar.h compiling .moc/release-shared-emb-arm/moc_toolbar.cpp rcc mainwindow.qrc compiling .rcc/release-shared-emb-arm/qrc_mainwindow.cpp linking mainwindow root@zxl:/work/tools/buildroot-2015.02/output/build/qt-4.8.6/demos/mainwindow# ls colorswatch.cpp main.cpp mainwindow.cpp mainwindow.pro Makefile titlebarCenter.png titlebarRight.png toolbar.h colorswatch.h mainwindow.h mainwindow.qrc qt.png titlebarLeft.png toolbar.cpp root@zxl:/work/tools/buildroot-2015.02/output/build/qt-4.8.6/demos/mainwindow#
./mainwindow -qws
3.3、开发板挂载和qt在板子上运行的效果:
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