mirror of
https://github.com/wxWidgets/wxWidgets.git
synced 2026-08-18 09:30:13 +08:00
Also known as [[gnu::warn_unused]].
Use __has_attribute to check availability of the attribute. (Is available
on recent GCC and Clang versions, not available on MSVC.)
(cherry picked from commit a2e2bc57c9)