def build_docker(name) {
    def image = "${name}-libs"
    echo "Build image ${image}"
	def pref = ""
    if (env.DOCKER_PREFIX) {
        pref = "--build-arg DOCKER_PREFIX=${env.DOCKER_PREFIX}/"
	}
	def args = "${pref} --build-arg LIBS_BUILD_NUMBER=${env.BUILD_NUMBER} --build-arg JOBS_COUNT=4"
	dir ("docker/${image}") {
	    //echo "build ${image} ${args}"
	    sh "docker build ${args} --no-cache -t ${image} ."
    }
	return "\n - ${image}"
}
node {
    checkout scm
    def _envmap = [:]
    def _env = sh(script: "env", returnStdout: true).trim().split("\n")
    _env.each{ l -> 
        def _ind = l.indexOf('=');
        def _n = l.substring(0, _ind);
        def _v = l.substring(_ind + 1);
        _envmap["${_n}"] = "${_v}";
    }
    //println "done!"
    //println "${_envmap}"
	def _msg = "Built images:"
    def platforms = ['debian', 'osx', 'windows', 'android', 'pi']
	for (int i = 0; i < platforms.size(); ++i) {
	    //echo "check BUILD_${platforms[i]} -> ${_v}"
	    if (_envmap["BUILD_${platforms[i]}"] == "1") {
	        _msg += build_docker("${platforms[i]}")
	    }
	}
	echo "${_msg}"
}