Hi,
I just filed https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79433
complaining that __has_include returns true for headers which then, when
included, #error out about the wrong C++ standard used.
We use this mechanism for at least <chrono>, and are either about to
ship it or already do. That's fine since we compile at least in C++11
mode these days.
I, however, intended to use the same feature for <string_view> and
<experimental/string_view>, which don't seem to have SD-6 feature test
macros (or else define them in the header which you're not allowed to
include to check), but since we compile qmake only in C++11, not higher,
this was greeted with an #error.
How do other compilers/platforms behave?
Thanks,
Marc
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