Create all necessary constants based on style.css

gs_constants.php

<?php

add_action( 'genesis_init', 'gs_constants', 15 );
/**
 * This function defines the Genesis Child theme constants
 *
 * Data Constants: CHILD_SETTINGS_FIELD, CHILD_DOMAIN, CHILD_THEME_VERSION
 * CHILD_THEME_NAME, CHILD_THEME_URL, CHILD_DEVELOPER, CHILD_DEVELOPER_URL
 * Directories: CHILD_LIB_DIR, CHILD_IMAGES_DIR, CHILD_ADMIN_DIR, CHILD_JS_DIR, CHILD_CSS_DIR
 * URLs: CHILD_LIB, CHILD_IMAGES, CHILD_ADMIN, CHILD_JS, CHILD_CSS
 *
 * @since 1.1.0
 */
function gs_constants() {
  $theme = wp_get_theme();
	
	// Child theme (Change but do not remove)
		/** @type constant Child Theme Options/Settings. */
		define( 'CHILD_SETTINGS_FIELD', $theme->get('TextDomain') . '-settings' );
		
		/** @type constant Text Domain. */
		define( 'CHILD_DOMAIN', $theme->get('TextDomain') );
		
		/** @type constant Child Theme Version. */
		define( 'CHILD_THEME_VERSION', $theme->Version );
		
		/** @type constant Child Theme Name, used in footer. */
		define( 'CHILD_THEME_NAME', $theme->Name );
		
		/** @type constant Child Theme URL, used in footer. */
		define( 'CHILD_THEME_URL', $theme->get('ThemeURI') );
		
	// Developer Information, see lib/admin/admin-functions.php
		/** @type constant Child Theme Developer, used in footer. */
		define( 'CHILD_DEVELOPER', $theme->Author );
		
		/** @type constant Child Theme Developer URL, used in footer. */
		define( 'CHILD_DEVELOPER_URL', $theme->{'Author URI'}  );
		
	// Define Directory Location Constants
		/** @type constant Child Theme Library/Includes URL Location. */
		define( 'CHILD_LIB_DIR',    CHILD_DIR . '/lib' );
		
		/** @type constant Child Theme Images URL Location. */
		define( 'CHILD_IMAGES_DIR', CHILD_DIR . '/images' );
		
		/** @type constant Child Theme Admin URL Location. */
		define( 'CHILD_ADMIN_DIR',  CHILD_LIB_DIR . '/admin' );
		
		/** @type constant Child Theme JS URL Location. */
		define( 'CHILD_JS_DIR',     CHILD_DIR .'/js' );
		
		/** @type constant Child Theme JS URL Location. */
		define( 'CHILD_CSS_DIR',    CHILD_DIR .'/css' );
	
	// Define URL Location Constants
		/** @type constant Child Theme Library/Includes URL Location. */
		define( 'CHILD_LIB',    CHILD_URL . '/lib' );
		
		/** @type constant Child Theme Images URL Location. */
		define( 'CHILD_IMAGES', CHILD_URL . '/images' );
		
		/** @type constant Child Theme Admin URL Location. */
		define( 'CHILD_ADMIN',  CHILD_LIB . '/admin' );
		
		/** @type constant Child Theme JS URL Location. */
		define( 'CHILD_JS',     CHILD_URL .'/js' );
		
		/** @type constant Child Theme JS URL Location. */
		define( 'CHILD_CSS',    CHILD_URL .'/css' );	
}

style.css

/*
  Theme Name: Genesis Child
  Theme URI: http://wpsmith.net/
  Description: Default Genesis Child Theme.
  Author: Travis Smith
  Author URI: http://wpsmith.net/
  Version: 1.0.0
  Text Domain: genesis-child
  Tags: black, white, red, one-column, two-columns, three-columns, left-sidebar, right-sidebar, fixed-width, custom-background, custom-header, custom-menu, editor-style, full-width-template, sticky-post, theme-options, threaded-comments, translation-ready

  Template: genesis
  Template Version: 1.9.0

  License: GNU General Public License v3.0 (or later)
  License URI: http://opensource.org/licenses/gpl-license.php
*/