1.一般板子上都帶有配套的交叉編譯,沒有的話,可以從網上下一個。交叉編譯器的放在/opt/tools/arm-2011.03/bin
看一下應該是這樣的
2.到www.qt-project.org下載QT5.3.2的源代碼qt-everywhere-opensource-src-5.3.2.tar.gz。
3.解壓到當前文件夾。tar xzvf qt-everywhere-opensource-src-5.3.2.tar.gz. 我的源碼放在/opt/qt下。
4.在arm板上移植,需要知道芯片的架構。我的是ARM Cortex-A8,其架構是armv7-a。我們進入/opt/qt/qt-everywhere-opensource-src-5.3.1/qtbase/mkspecs/linux-arm-gnueabi-g++目錄下,需要修改qmake.conf文件。如下
## qmake configuration for building with arm-linux-gnueabi-g++
#
MAKEFILE_GENERATOR = UNIX
CONFIG += incremental
QMAKE_INCREMENTAL_STYLE = sublib
QMAKE_CFLAGS_RELEASE += -O2 -march=armv7-a
QMAKE_CXXFLAGS_RELEASE += -O2 -march=armv7-a
include(../common/linux.conf)
include(../common/gcc-base-unix.conf)
include(../common/g++-unix.conf)
# modifications to g++.conf
QMAKE_CC = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-gcc #交叉編譯器的絕對路徑
QMAKE_CXX = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-g++
QMAKE_LINK = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-g++
QMAKE_LINK_SHLIB = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-g++
# modifications to linux.conf
QMAKE_AR = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-ar cqs
QMAKE_OBJCOPY = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-objcopy
QMAKE_NM = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-nm -P
QMAKE_STRIP = /opt/tools/arm-2011.03/bin/arm-none-linux-gnueabi-strip
5.進入/opt/qt/qt-everywhere-opensource-src-5.3.1/,編譯腳本
sudo mkdir arm_config
sudo chmod 777 arm_config
sudo vi arm_config
./configure -v \
-prefix /usr/local/qt-everywhere-opensource-src-5.3.2 \ 交叉編譯之後的目錄
-confirm-license \
-opensource \
-release \
-make libs \
-xplatform linux-arm-gnueabi-g++ \
-optimized-qmake \
-pch \
-qt-sql-sqlite \
-qt-libjpeg \
-qt-zlib \
-no-opengl \
-no-sse2 \
-no-openssl \
-no-nis \
-no-cups \
-no-glib \
-no-xcursor -no-xfixes -no-xrandr -no-xrender \
-no-separate-debug-info \
sudo make
sudo make install
等待幾個小時之後完成。
6.進入/usr/local,把qt-everywhere-opensource-src-5.3.2拷到板子上/opt下
7.設置環境變量,打開/etc/profile
export TSLIB_ROOT=/usr
export QT_ROOT=/opt/qt-everywhere-opensource-src-5.3.2
export QWS_MOUSE_PROTO=tslib:/dev/touchscreen
export LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib:$QT_ROOT/lib:$LD_LIBARAY_PATH
export QT_QPA_PLATFORM_PLUGIN_PATH=$QT_ROOT/plugins
export QT_QPA_PLATFORM=linuxfb:tty=/dev/fb0
export QT_QPA_FONTDIR=$QT_ROOT/lib/fonts
重啓 source /etc/profile.
8.運行demo的時候,中文漢字顯示不了 進入/opt/qt-everywhere-opensource-src-5.3.2/lib/fonts下,刪除所以字體,然後從網上下一個文泉驛字體庫,我用的是wqy_mh.ttf,重新運行demo,字體就能正常顯示了。