[Development] Using '#pragma once' instead of include guards?

[Christian Kandeler]

On 10/10/22 17:13, Thiago Macieira wrote:
> The biggest problem we used to have was installing builds that had 
> include
> paths pointing to both the source and installation directory. With
> preprocessor guards, only one of the two would actually get included; with
> #pragma once, the files are actually different so both would get included,
> causing a build error.

Was this really verified or just a guess? Use of #pragma once is rather 
wide-spread, and so is implementing header precedence via include path 
order, so one would think lots of project would have problems if that 
combination didn't work.


Christian