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Diffstat (limited to 'libnm/nm-vpn-service-plugin.h')
-rw-r--r--libnm/nm-vpn-service-plugin.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libnm/nm-vpn-service-plugin.h b/libnm/nm-vpn-service-plugin.h
index f8b4ff87..29319189 100644
--- a/libnm/nm-vpn-service-plugin.h
+++ b/libnm/nm-vpn-service-plugin.h
@@ -22,6 +22,10 @@
 #ifndef __NM_VPN_SERVICE_PLUGIN_H__
 #define __NM_VPN_SERVICE_PLUGIN_H__
 
+#if !defined (__NETWORKMANAGER_H_INSIDE__) && !defined (NETWORKMANAGER_COMPILATION)
+#error "Only <NetworkManager.h> can be included directly."
+#endif
+
 #include <gio/gio.h>
 #include <nm-vpn-dbus-interface.h>
 #include <nm-connection.h>