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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 32f48b60..46f841c0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ AC_PROG_CC_C99
AC_LBL_C_INIT(V_CCOPT, V_INCLS)
AC_LBL_C_INLINE
-AC_CHECK_HEADERS(fcntl.h rpc/rpc.h rpc/rpcent.h)
+AC_CHECK_HEADERS(fcntl.h rpc/rpc.h rpc/rpcent.h net/if.h)
AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>])