error: the value of ‘std::is_integral_v<auto [requires ::is_int<, >]>’ is not usable in a constant expression
[build] 35 | concept is_int = (std::is_integral_v);
‘constexpr auto [requires ::is_int<, >] kraken::cal::is_neg(Ty) [with Ty = int]’:
[build] /usr/include/c++/12/type_traits:3124:25: note: ‘std::is_integral_v<auto [requires ::is_int<, >]>’ used in its own initializer
[build] 3124 | inline constexpr bool is_integral_v = is_integral<_Tp>::value;
**error: call to non-‘constexpr’ function ‘long int sysconf(int)’
[build] 8722 | constexpr static std::size_t sigStackSize = 32768 >= MINSIGSTKSZ ? 32768 : MINSIGSTKSZ;
/usr/include/unistd.h:640:17: note: ‘long int sysconf(int)’ declared here
[build] 640 | extern long int sysconf (int __name) __THROW;
[build] | ^~~~~~~
[build] /home/yahya/Kraken/tests/../Catch2/catch.hpp:8781:45: error: size of array ‘altStackMem’ is not an integral constant-expression
[build] 8781 | char FatalConditionHandler::altStackMem[sigStackSize] = {};**