Use of Makefile and make

gistfile1.txt

LESS_SOURCE = ./app/webroot/frontpage/css/less/style.less
CSS_TARGET = ./app/webroot/frontpage/css/style.min.css
BOOTSTRAP_SOURCE = ./app/webroot/frontpage/js/bootstrap/
JS_TARGET = ./app/webroot/frontpage/js/app.min.js

build:
        @recess --compress --compile ${LESS_SOURCE} > ${CSS_TARGET}
        @cat \
                ./app/webroot/app/js/jquery/jquery-1.10.2.min.js \
                ./app/webroot/app/js/jquery/jquery.cookie.js \
                ${BOOTSTRAP_SOURCE}respond.min.js \
                ${BOOTSTRAP_SOURCE}transition.js \
                ${BOOTSTRAP_SOURCE}tooltip.js \
                ${BOOTSTRAP_SOURCE}affix.js \
                ${BOOTSTRAP_SOURCE}alert.js \
                ${BOOTSTRAP_SOURCE}button.js \
                ${BOOTSTRAP_SOURCE}carousel.js \
                ${BOOTSTRAP_SOURCE}collapse.js \
                ${BOOTSTRAP_SOURCE}dropdown.js \
                ${BOOTSTRAP_SOURCE}modal.js \
                ${BOOTSTRAP_SOURCE}popover.js \
                ${BOOTSTRAP_SOURCE}scrollspy.js \
                ${BOOTSTRAP_SOURCE}tab.js \
                ./app/webroot/gallery/js/gallery.js \
                ./app/webroot/frontpage/js/app.js \
                > ${JS_TARGET}.tmp
        @uglifyjs -nc \
                ${JS_TARGET}.tmp \
                > ${JS_TARGET}
        @rm ${JS_TARGET}.tmp