Support OpenBSD.

client/CMakeLists.txt

@@ -21,6 +21,8 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
     list(APPEND CLIENT_SRC "DaemonLinux.cpp")
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
     list(APPEND CLIENT_SRC "DaemonLinux.cpp")
+elseif(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+    list(APPEND CLIENT_SRC "DaemonLinux.cpp")
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
     list(APPEND CLIENT_SRC "DaemonWin32.cpp")
     list(APPEND CLIENT_SRC "Win32Service.cpp")

core/util/I2PEndian.h

@@ -3,7 +3,7 @@
 #include <inttypes.h>
 #include <string.h>
 
-#if defined(__linux__) || defined(__FreeBSD_kernel__)
+#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__)
 #include <endian.h>
 #elif __FreeBSD__
 #include <sys/endian.h>

core/util/util.cpp

@@ -15,7 +15,7 @@
 #include "util.h"
 #include "Log.h"
 
-#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
+#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__OpenBSD__)
 #include <sys/types.h>
 #include <ifaddrs.h>
 #elif defined(WIN32)
@@ -463,7 +463,7 @@ namespace http
 
 namespace net {
 
-#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
+#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__OpenBSD__)
     
     int GetMTUUnix(const boost::asio::ip::address& localAddress, int fallback)
     {
@@ -663,7 +663,7 @@ namespace net {
     {
         const int fallback = 576; // fallback MTU
 
-#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__)
+#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__OpenBSD__)
         return GetMTUUnix(localAddress, fallback);
 #elif defined(WIN32)
         return GetMTUWindows(localAddress, fallback);