Top "Ifndef" questions

Is one of the basic C/C++ pre processor macros to include/exclude specific parts of the source code to be compiled.

C++ trying to use #ifndef and #include statements

Ok, so I'm a HTML/Javascript/PHP professional, but I'm trying to learn C++. I'm still a newbie at it, …

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c++ include compiler-errors g++ ifndef
Using ifdef and ifndef directives

I'm trying to check whether a variable is defined using ifndef/ifdef, but I keep getting a not found error …

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bash makefile gnu-make conditional-compilation ifndef
How do you enable "#ifndef/#endif" blocks in makefile builds?

I'm trying to enable debugging options in MuPDF. For some reason they have used #ifndef NDEBUG and #endif greying out …

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c makefile mupdf ifndef
Conditional exclusion of code in Swift

I am trying to exclude some parts of a Swift file for a specific target. Yet I did not find …

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swift ifndef