18 Nov
2012
18 Nov
'12
5:21 p.m.
As additional data to this discussion, it have been pointed in an answer there : http://stackoverflow.com/questions/787533/is-pragma-once-a-safe-include-guar... That : "#pragma once does have one drawback (other than being non-standard) and that is if you have the same file in different locations (we have this because our build system copies files around) then the compiler will think these are different files." Which I don't know will help discuss this but might be relevant for such a big code base as boost libraries. Joel Lamotte