# File lib/phusion_passenger/platform_info/compiler.rb, line 518
        def self.gnu_make
                if result = string_env('GMAKE')
                        return result
                else
                        result = find_command('gmake')
                        if !result
                                result = find_command('make')
                                if result
                                        if `#{result} --version 2>&1` =~ /GNU/
                                                return result
                                        else
                                                return nil
                                        end
                                else
                                        return nil
                                end
                        else
                                return result
                        end
                end
        end