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Asked: 2026-05-22T18:48:13+00:00

I’m writing a portable C++ application. How do I include different headers based on

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I’m writing a portable C++ application. How do I include different headers based on the operating system its running on. Is there a way to do this in C++ or do i have to use the build system?

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1 Answer

  1. Editorial Team

    with preprocessor:

    #ifdef _SUNOS
//code
#elseif _LINUX
//code
#elseif _HPUX
//code
#elseif _WIN32
//code
#else
#error OS not supported
#endif
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