Thanks! Added to
https://wiki.qt.io/Things_To_Look_Out_For_In_Reviews#Variables
On 18.01.24 04:35, Thiago Macieira wrote:
> See http://bugreports.qt.io/browse/QTBUG-121135 for the issue and
> https://codereview.qt-project.org/c/qt/qtbase/+/531251 for the solution.
>
> TL;DR: if you define a
On Wednesday, 17 January 2024 19:35:17 PST Thiago Macieira wrote:
> Alternatives:
> * move to a class that is not exported
>trick: add an empty base with the variable
> * change to enum (if primitive)
* change to an static (inline) constexpr function
Then there's always a copy, because GCC
On Wednesday, 17 January 2024 19:35:17 PST Thiago Macieira wrote:
> This appears to be a GCC bug/shortcoming. Clang and MSVC apparently
> automatically emit and export the variable for you:
> https://mingw.godbolt.org/z/q4dYdosjh
Reported at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113465
--
See http://bugreports.qt.io/browse/QTBUG-121135 for the issue and
https://codereview.qt-project.org/c/qt/qtbase/+/531251 for the solution.
TL;DR: if you define a static constexpr (which is implicitly inline) member
variable in a class with export macro, you MUST add the definition of tha
