NAME
Devel::AssertC99 - C99 is available
SYNOPSIS
use Module::Build;
use Devel::AssertC99; # <== check at here
my $builder = Module::Build->new(
    configure_requires => {
        'Devel::AssertC99',
    },
    ...
);
$builder->create_build_script;
DESCRIPTION
This module checks C99 compiler's availability. If it's not available, exit with code 0.
It makes CPAN testers status as N/A.