--- 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.