add support for debug flags in FreeBSD

include/ZeroTierDebug.h

@@ -76,6 +76,9 @@
 #ifdef __APPLE__
   #define ZT_THREAD_ID (long)0 // (long)gettid()
 #endif
+#ifdef __FreeBSD__
+  #define ZT_THREAD_ID (long)0 // (long)gettid()
+#endif
 #ifdef _WIN32
   #define ZT_THREAD_ID (long)0 // 
 #endif
@@ -96,7 +99,7 @@
 			#define DEBUG_INFO(fmt, ...) fprintf(stderr, ZT_GRN "INFO [%ld]: %17s:%5d:%25s: " fmt "\n" \
 					ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, __VA_ARGS__)
 		#endif
-		#if defined(__linux__) or defined(__APPLE__)
+		#if defined(__linux__) or defined(__APPLE__) or defined(__FreeBSD__)
 			#define DEBUG_INFO(fmt, args ...) fprintf(stderr, ZT_GRN "INFO [%ld]: %17s:%5d:%25s: " fmt "\n" \
 					ZT_RESET, ZT_THREAD_ID, ZT_FILENAME, __LINE__, __FUNCTION__, ##args)
 		#endif

make-bsd.mk

@@ -159,7 +159,7 @@ clean:
 	rm -rf *.a *.o node/*.o controller/*.o osdep/*.o service/*.o ext/http-parser/*.o build-* zerotier-one zerotier-idtool zerotier-selftest zerotier-cli $(ONE_OBJS) $(CORE_OBJS)
 
 debug:	FORCE
-	gmake -j 4 ZT_DEBUG=1
+	$(MAKE) -j ZT_DEBUG=1
 
 install:	one
 	rm -f /usr/local/sbin/zerotier-one

node/Trace.cpp

@@ -40,6 +40,7 @@
 #include "Tag.hpp"
 #include "Capability.hpp"
 #include "Revocation.hpp"
+#include "../include/ZeroTierDebug.h"
 
 namespace ZeroTier {
 

node/Utils.hpp

@@ -38,6 +38,10 @@
 #include <vector>
 #include <map>
 
+#if defined(__FreeBSD__)
+#include <sys/endian.h>
+#endif
+
 #include "Constants.hpp"
 
 #ifdef __LINUX__
@@ -411,8 +415,12 @@ public:
 	static inline uint64_t hton(uint64_t n)
 	{
 #if __BYTE_ORDER == __LITTLE_ENDIAN
-#if defined(__GNUC__) && (!defined(__OpenBSD__))
+#if defined(__GNUC__)
+#if defined(__FreeBSD__)
+		return bswap64(n);
+#elif (!defined(__OpenBSD__))
 		return __builtin_bswap64(n);
+#endif
 #else
 		return (
 			((n & 0x00000000000000FFULL) << 56) |
@@ -440,8 +448,12 @@ public:
 	static inline uint64_t ntoh(uint64_t n)
 	{
 #if __BYTE_ORDER == __LITTLE_ENDIAN
-#if defined(__GNUC__) && !defined(__OpenBSD__)
+#if defined(__GNUC__)
+#if defined(__FreeBSD__)
+		return bswap64(n);
+#elif (!defined(__OpenBSD__))
 		return __builtin_bswap64(n);
+#endif
 #else
 		return (
 			((n & 0x00000000000000FFULL) << 56) |