\x89\x50\x4E\x47\x0D\x0A\x1A\x0A PNG  \x89\x50\x4E\x47\x0D\x0A\x1A\x0A package Devel::AssertC99; use strict; use warnings; use utf8; use Devel::CheckCompiler qw/check_c99_or_exit/; sub import { check_c99_or_exit() } 1; __END__ =head1 NAME Devel::AssertC99 - C99 is available =head1 SYNOPSIS use Module::Build; use Devel::AssertC99; # <== check at here my $builder = Module::Build->new( configure_requires => { 'Devel::AssertC99', }, ... ); $builder->create_build_script; =head1 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.