QT moc The system cannot find the path specified error MSB8066:

最新推荐文章于 2025-05-28 07:15:00 发布

原创最新推荐文章于 2025-05-28 07:15:00 发布 · 1.1k 阅读

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#qt #c++ #linux

文章指出，当遇到在VisualStudio中使用Qt时出现的moc编译错误，如系统找不到指定路径，可能是因为没有正确设置QTDIR。解决方案是在项目的*.vcxproj.user文件中添加QTDIR的定义，确保编译器能找到Qt的路径，同时更新PATH环境变量。

1> Moc'ing data_interface.h...
1> The system cannot find the path specified.
1> Moc'ing AppLogAdapter.h...
1> The system cannot find the path specified.
1> Moc'ing CtpMarketDataSpi.h...
1> The system cannot find the path specified.
1> Moc'ing ctpfuturedataimpl.h...
1> The system cannot find the path specified.
1> d:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets(241,5): error MSB8066: Custom build for '..\shared\interface\data_interface.h;..\shared\AppLogAdapter.h;CtpMarketDataSpi.h;ctpfuturedataimpl.h' exited with code 3.
1> The command exited with code 3.
1> Done executing task "CustomBuild" -- FAILED.

主要原因是QT VS tool没有为你设置 QTDIR，这个可以在 vs项目中include目录是否把QTDIR展开准确看出来。如果不准确，只要想vs项目的 *.vcxproj.user 中加入QTDIR定义即可。

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<QTDIR>D:\Qt\5.15.2\msvc2019_64</QTDIR>
<LocalDebuggerEnvironment>PATH=$(QTDIR)\bin%3b$(PATH)</LocalDebuggerEnvironment>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<QTDIR>D:\Qt\5.15.2\msvc2019_64</QTDIR>
<LocalDebuggerEnvironment>PATH=$(QTDIR)\bin%3b$(PATH)</LocalDebuggerEnvironment>
</PropertyGroup>