openflow build environment setup

openflow/include/click/fixconfig.h

@@ -0,0 +1,24 @@
+#ifndef CLICK_FIXCONFIG_H
+#define CLICK_FIXCONFIG_H
+
+#if CLICK_LINUXMODULE && __cplusplus
+#include <click/type_traits.hh>
+
+#define __builtin_types_compatible_p(a, b) \
+    (types_compatible<typeof(a), typeof(b)>::value)
+#endif
+
+#if CLICK_LINUXMODULE && HAVE_LINUX_ASM_ALTERNATIVE_H
+// The .smp_locks section and C++-style weak linkage interact badly.
+# if CONFIG_SMP && (defined(__i386__) || defined(__x86_64__))
+#  include <click/cxxprotect.h>
+CLICK_CXX_PROTECT
+#  include <asm/alternative.h>
+#  undef LOCK_PREFIX
+#  define LOCK_PREFIX "lock ; "
+CLICK_CXX_UNPROTECT
+#  include <click/cxxunprotect.h>
+# endif
+#endif
+
+#endif