Standard minimised Civicrm settings file

civicrm.settings.php

<?php

define( 'CIVICRM_UF', 'Drupal'        );
define( 'CIVICRM_UF_DSN', 'mysql://' . $_SERVER['DB_USER'] . ':' . $_SERVER['DB_PASS'] . '@' . $_SERVER['DB_HOST'] . '/' . $_SERVER['DB_NAME'] . '?new_link=true');
define( 'CIVICRM_DSN', 'mysql://' . $_SERVER['DB_CIVIUSER'] . ':' . $_SERVER['DB_CIVIPASS'] . '@' . $_SERVER['DB_CIVIHOST'] . '/' . $_SERVER['DB_CIVINAME'] . '?new_link=true' );
define('CIVICRM_LOGGING_DSN', CIVICRM_DSN);

global $civicrm_root;

$site_root = '/Users/alastair/dev/clients/chagos/httdocs';
$civicrm_root = $site_root . '/sites/all/modules/civicrm';
define( 'CIVICRM_TEMPLATE_COMPILEDIR', $site_root . 'sites/default/files/civicrm/templates_c/');

$base_root = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 'https' : 'http';
$base_url = $base_root .= '://'. $_SERVER['HTTP_HOST'];

define( 'CIVICRM_UF_BASEURL', $base_url);
define( 'CIVICRM_SITE_KEY', '5c895b919c93dd5eeae6a97f9b880b4b' );
define( 'CIVICRM_IDS_ENABLE', 1);
define( 'CIVICRM_MAIL_SMARTY', 0 );
define( 'CIVICRM_DOMAIN_ID', 1 );
define( 'CIVICRM_USE_MEMCACHE', 0 );
define( 'CIVICRM_MEMCACHE_HOST', 'localhost' );
define( 'CIVICRM_MEMCACHE_PORT', 11211 );
define( 'CIVICRM_MEMCACHE_TIMEOUT', 3600 );
define( 'CIVICRM_MEMCACHE_PREFIX', '' );

$include_path = '.'        . PATH_SEPARATOR .
    $civicrm_root . PATH_SEPARATOR .
    $civicrm_root . DIRECTORY_SEPARATOR . 'packages' . PATH_SEPARATOR .
    get_include_path( );
set_include_path( $include_path );

if ( function_exists( 'variable_get' ) && variable_get('clean_url', '0') != '0' ) {
    define( 'CIVICRM_CLEANURL', 1 );
} else {
    define( 'CIVICRM_CLEANURL', 0 );
}

// force PHP to auto-detect Mac line endings
ini_set('auto_detect_line_endings', '1');

// make sure the memory_limit is at least 64 MB
$memLimitString = trim(ini_get('memory_limit'));
$memLimitUnit   = strtolower(substr($memLimitString, -1));
$memLimit       = (int) $memLimitString;
switch ($memLimitUnit) {
    case 'g': $memLimit *= 1024;
    case 'm': $memLimit *= 1024;
    case 'k': $memLimit *= 1024;
}
if ($memLimit >= 0 and $memLimit < 134217728) {
    ini_set('memory_limit', '128M');
}
require_once 'CRM/Core/ClassLoader.php';
CRM_Core_ClassLoader::singleton()->register();