build/CMakeFiles/3.31.6/CompilerIdC/CMakeCCompilerId.c:2:3: error: [clang-diagnostic-error]

"A C++ compiler has been selected for C."

# error "A C++ compiler has been selected for C."
  ^

build/CMakeFiles/3.31.6/CompilerIdC/CMakeCCompilerId.c:776:1: warning: [modernize-avoid-c-arrays]

do not declare C-style arrays, use std::array<> instead

char const info_version[] = {
^

build/CMakeFiles/3.31.6/CompilerIdC/CMakeCCompilerId.c:877:5: warning: [modernize-use-trailing-return-type]

use a trailing return type for this function

int main(int argc, char* argv[])
~~~ ^
auto                             -> int