C++20 compiler complaints #2437
Description
Probably the environment on AppVeyor CI got a newer baseline compiler? Currently at gcc (Rev2, Built by MSYS2 project) 14.1.0:
In file included from nutipc.cpp:43:
../include/nutipc.hpp:817:27: error: template-id not allowed for destructor in C++20 [-Werror=template-id-cdtor]
817 | Signal::HandlerThread<H>::~HandlerThread<H>()
| ^
../include/nutipc.hpp:817:27: note: remove the '< >'
UPDATE: Reconfirmed on Linux builds with explicit ./configure CXXFLAGS="-std=gnu++20 -Wno-system-headers -Wall -Wextra -Werror"