1 files changed, 4 insertions, 0 deletions
diff --git a/savefile.c b/savefile.c
index 3db99b32..f6d8170f 100644
--- a/savefile.c
+++ b/savefile.c
@@ -32,6 +32,10 @@
 #include <config.h>
 #endif
 
+#ifndef BUILDING_PCAP
+#error "Wait, how can we not be building pcap?"
+#endif
+
 #include <pcap-types.h>
 #ifdef _WIN32
 #include <io.h>