--- strongswan-5.8.2/src/swanctl/swanctl.h.orig	2020-02-23 00:35:39.051000000 +0200
+++ strongswan-5.8.2/src/swanctl/swanctl.h	2020-02-23 00:35:51.930355656 +0200
@@ -30,7 +30,7 @@
 /**
  * Base directory for credentials and config
  */
-char *swanctl_dir;
+extern char *swanctl_dir;
 
 /**
  * Configuration file for connections, etc.