Qt的pro文件里如何判断系统是32位或64位

转载自：http://shitou7630.blog.163.com/blog/static/3269953620161126105156562/windows 一、解决方案1ui Since Qt5 you can use QT_ARCH  to detect whether your configuration is 32 or 64. When the target is 32-bit, t

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