+install_source_and_build()
+{
+# install sources
+install_source
+
+# remove sources and temporary files after building
+if [ ${REMOVE_SRC_TMP} == "TRUE" ] ; then
+ test -d ${PRODUCT_SRC_DIR} && rm -fr ${PRODUCT_SRC_DIR}
+fi
+
+# to generate environment scripts
+try_preinstalled