Specifying Visual Studio's 'Conformance mode' in a qmake .pro file?

  • I am currently using

    QMAKE_CXXFLAGS += /permissive-

    in my .pro file so that my code compiles using VS2019's /permissive- option. In the generated Visual Studio project, this compile flag then apparently gets added to the 'Additional Options':

    However, I was expecting this option elsewhere, namely under 'Language / Conformance mode':


    Is there a way to specify in my .pro file that I want to set 'Conformance mode' to /permissive-? Or is this not supported with qmake and is the only way around to use QMAKE_CXXFLAGS like I do now?

  • Lifetime Qt Champion

    You have to set it by your own.

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