Index: src/platform.h
==================================================================
--- src/platform.h
+++ src/platform.h
@@ -92,10 +92,12 @@
 # define OF_OPENBSD
 #elif defined(__DragonFly__)
 # define OF_DRAGONFLYBSD
 #elif defined(__HAIKU__)
 # define OF_HAIKU
+#elif defined(__MORPHOS__)
+# define OF_MORPHOS
 #elif defined(__sun__)
 # define OF_SOLARIS
 #elif defined(__QNX__)
 # define OF_QNX
 #elif defined(__wii__)

Index: src/socket.h
==================================================================
--- src/socket.h
+++ src/socket.h
@@ -42,10 +42,15 @@
 #  endif
 # endif
 # include <windows.h>
 # include <ws2tcpip.h>
 #endif
+
+#ifdef OF_MORPHOS
+/* Strangely, MorphOS defines socklen_t in pthread.h */
+# include <pthread.h>
+#endif
 
 #ifdef OF_WII
 # define BOOL OGC_BOOL
 # include <network.h>
 # undef BOOL