QT5.15.2源码编译后在君正MIPS架构运行播放实时视频流

问题背景:
公司新项目需要使用君正T40 soc,平台是 MIPS 架构,但是君正在此平台未开发出图形界面工具,项目需要人机交互,于是需要使用QT实现相关需求。

问题描述:
下载QT5.15.2源码(下载地址,QT6的编译和5不太一样,这里领导要求使用QT5,不敢违抗),使用君正平台mips编译工具链编译 QT5.15.2 源码后拷贝库文件到君正T40开发板,写了一个简单的QT应用程序无法运行。报错信息如下:

[root@Zeratul:tmp]# ./qttest 
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::pen: Painter not active
QPainter::setPen: Painter not active
QPainter::setPen: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 3
QPainter::setCompositionMode: Painter not active
QPainter::begin: Paint device returned engine == 0, type: 3
QPainter::setCompositionMode: Painter not active
QWidget::paintEngine: Should no longer be called
QPainter::b

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