[MINOR] add support for variable size arrays in structures
Depending on the version of GCC, variable size arrays are not
declared in the same manner. Let's add a check for the version
and provide a macro.
diff --git a/include/common/compat.h b/include/common/compat.h
index 8261f8f..1bfe669 100644
--- a/include/common/compat.h
+++ b/include/common/compat.h
@@ -22,6 +22,15 @@
#ifndef _COMMON_COMPAT_H
#define _COMMON_COMPAT_H
+/*
+ * Gcc before 3.0 needs [0] to declare a variable-size array
+ */
+#if __GNUC__ < 3
+#define VAR_ARRAY 0
+#else
+#define VAR_ARRAY
+#endif
+
/* This is needed on Linux for Netfilter includes */
#include <sys/socket.h>
#include <common/config.h>