spacemacs/layers/+emacs/semantic/config.el

;;; config.el --- semantic Layer configuration
;;
;; Copyright (c) 2012-2020 Sylvain Benner & Contributors
;;
;; Author: Sebastian Wiesner <swiesner@lunaryorn.com
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3

(setq srecode-map-save-file (concat spacemacs-cache-directory
                                    "srecode-map.el"))
(setq semanticdb-default-save-directory (concat spacemacs-cache-directory
                                                "semanticdb/"))
(setq semanticdb-search-system-databases nil)
(setq semanticdb-project-root-functions #'projectile-project-root)
(unless (file-exists-p semanticdb-default-save-directory)
  (make-directory semanticdb-default-save-directory))