Devel::AssertC99 - C99 is available

       This module checks C99 compiler's availability. If it's not available, exit with code 0.

       It makes CPAN testers status as N/A.

perl v5.36.0                                       2022-10-22                              Devel::AssertC99(3pm)

       Devel::AssertC99 - C99 is available

           use Module::Build;
           use Devel::AssertC99; # <== check at here

           my $builder = Module::Build->new(
               configure_requires => {
                   'Devel::AssertC99',
               },
               ...
           );
           $builder->create_build_script;