What to do with warnings in MSVC-wall?
Basically, it’s recommended to create a ‘global’ include file with the appropriate #pragmas to suppress warnings you don’t care about (maybe C4820 the padding one), to protect against external headers in the way described above, then compile with / Wall. That’s work, but it’s worth it. Under GCC, it would just be a matter of using -isystem.
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How to disable external headers warnings?
Combined with your preferred way of defining the set of external headers, /external:W0 is all you need to do to completely shut down any warnings emanating from those external headers. External header: some_lib_dir/some_hdr.hpp
Can a warning be disabled once in a header?
Also, as in the example above, you can enforce that a certain warning will always be treated as an error, be disabled, suppressed, or emitted once in its header, and again the user will not be able to override that deliberate choice.
How to disable warnings in Visual Studio 2015?
/Wall turns on all warnings that are off by default. If you use this option, you can disable individual warnings using the /wd option. This option enables the nnnn warning at level L. The following warnings are disabled by default in Visual Studio 2015 and later:
Is the Visual C++ Wall disabled by default?
Visual C++’s /Wall enables all warnings that are disabled by default in /W4. As you discovered, there’s a good reason many of those warnings are disabled by default (thanks, compiler, for telling me you’ve added padding – I really appreciate that!). It’s probably better to use /W4 in Visual C++.
Is the warning message the correct UI?
Is this the correct user interface? A warning message is a modal dialog, in-place message, notification, or balloon that alerts the user to a condition that could cause a problem in the future. A typical modal warning message. The fundamental characteristic of warnings is that they involve the risk of missing one or more of the following: