iptables: declare _GNU_SOURCE to define RTLD_NEXT

[project/firewall3.git] / iptables.h

diff --git a/iptables.h b/iptables.h
index 892a0d45e31abb92cd4490cdd9ea1aada2c3c4e6..1d98b76820946ed63f26841387133a7715b421a3 100644 (file)
--- a/iptables.h
+++ b/iptables.h
@@ -19,6 +19,8 @@
 #ifndef __FW3_IPTABLES_H
 #define __FW3_IPTABLES_H
 
+#define _GNU_SOURCE /* RTLD_NEXT */
+
 #include <libiptc/libiptc.h>
 #include <libiptc/libip6tc.h>
 #include <xtables.h>
@@ -34,7 +36,7 @@
 #define FW3_ID_MASK            0xffffff00
 
 /* xtables interface */
-#if (XTABLES_VERSION_CODE == 10)
+#if (XTABLES_VERSION_CODE == 10 || XTABLES_VERSION_CODE == 11)
 # include "xtables-10.h"
 #elif (XTABLES_VERSION_CODE == 5)
 # include "xtables-5.h"
@@ -42,10 +44,16 @@
 # error "Unsupported xtables version"
 #endif
 
+#ifndef DISABLE_STATIC_EXTENSIONS
 /* libipt*ext.so interfaces */
 extern void init_extensions(void);
 extern void init_extensions4(void);
 extern void init_extensions6(void);
+#else
+static inline void init_extensions(void) { }
+static inline void init_extensions4(void) { }
+static inline void init_extensions6(void) { }
+#endif
 
 /* Required by certain extensions like SNAT and DNAT */
 extern int kernel_version;