build/conf/local.conf 添加以下qtserialport模块内容：

IMAGE_INSTALL_append = " qtserialport qtserialport-dev qtserialport-mkspecs"
TOOLCHAIN_TARGET_TASK_append = " qtserialport qtserialport-dev qtserialport-mkspecs"

修改后编译带sdk的镜像

bitbake arago-core-tisdk-image

编译完成后在sdk/arago-2017.06-armv7a-linux-gnueabi-tisdk.target.manifest  能找到以下内容

libqt5serialport-dev armv7ahf-neon 5.7.1+git0+0b9f41c28c-r0
libqt5serialport-mkspecs armv7ahf-neon 5.7.1+git0+0b9f41c28c-r0
libqt5serialport5 armv7ahf-neon 5.7.1+git0+0b9f41c28c-r0

安装sdk后能找到以下关于qtserialport模块相关内容

nicola@ubuntu:/opt/arago-2017.06$ find . -name "*SerialPort*"
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort/QtSerialPortVersion
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort/QtSerialPort
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort/QtSerialPortDepends
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort/QSerialPort
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort/QSerialPortInfo
./sysroots/armv7ahf-neon-linux-gnueabi/usr/include/qt5/QtSerialPort/5.7.1/QtSerialPort
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libQt5SerialPort.prl
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libQt5SerialPort.so.5.7
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/cmake/Qt5SerialPort
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/cmake/Qt5SerialPort/Qt5SerialPortConfig.cmake
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/cmake/Qt5SerialPort/Qt5SerialPortConfigVersion.cmake
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libQt5SerialPort.so.5
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libQt5SerialPort.so.5.7.1
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/libQt5SerialPort.so
./sysroots/armv7ahf-neon-linux-gnueabi/usr/lib/pkgconfig/Qt5SerialPort.pc

sdk已经安装了qtserialport对应的库了。

qtserialport测试demo:

git clone https://github.com/qt/qtserialport.git
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