diff -ru strongswan-5.8.4/src/libstrongswan/utils/capabilities.h src/src/libstrongswan/utils/capabilities.h
--- strongswan-5.8.4/src/libstrongswan/utils/capabilities.h	2018-10-03 23:35:17.000000000 +0200
+++ src/src/libstrongswan/utils/capabilities.h	2024-06-06 01:20:25.510695809 +0200
@@ -30,6 +30,8 @@
 # include <sys/capability.h>
 #elif defined(CAPABILITIES_NATIVE)
 # include <linux/capability.h>
+int capset(void *a, void *b);
+int capget(void *a, void *b);
 #endif
 
 #ifndef CAP_CHOWN