xt: fix build when libxtables is not installed

If libxtables is not even installed, build fails due to to missing
include file.

ifdef LIBXTABLES guard fixes the first error, but results in two
followup failures:
1. missing IFNAMSIZ definition
2. dereference of unknown struct.

Signed-off-by: Florian Westphal <fw@strlen.de>

diff --git a/src/xt.c b/src/xt.c
index ab7f50173149124eee5e67a8a0394a15436b6893..08560976aa0f2eea882a96abc7681fc94479ff41 100644 (file)
--- a/src/xt.c
+++ b/src/xt.c
@@ -10,7 +10,10 @@
 #include <stdlib.h>
 #include <time.h>
 #include <string.h>
+#include <net/if.h>
+#ifdef HAVE_LIBXTABLES
 #include <xtables.h>
+#endif
 #include <getopt.h>
 #include <ctype.h>     /* for isspace */
 #include <statement.h>
@@ -76,6 +79,7 @@ void xt_stmt_xlate(const struct stmt *stmt, struct output_ctx *octx)
 
 void xt_stmt_release(const struct stmt *stmt)
 {
+#ifdef HAVE_LIBXTABLES
        switch (stmt->xt.type) {
        case NFT_XT_MATCH:
                if (!stmt->xt.match)
@@ -95,6 +99,7 @@ void xt_stmt_release(const struct stmt *stmt)
        default:
                break;
        }
+#endif
        xfree(stmt->xt.entry);
 }