windows Fix build.

CMakeLists.txt

@@ -486,7 +486,11 @@ if (LWS_WITH_SSL)
 		message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
 
 		include_directories("${OPENSSL_INCLUDE_DIR}")
-		list(APPEND LIB_LIST ${OPENSSL_LIBRARIES} dl)
+		list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
+
+		# Link against dynamic linking functions.
+		# (Don't link directly to libdl since it is not needed on all platforms, it's now a part of libc).
+		list(APPEND LIB_LIST ${CMAKE_DL_LIBS})
 	endif()
 endif(LWS_WITH_SSL)
 

lib/private-libwebsockets.h

@@ -82,6 +82,13 @@
 #define lws_set_blocking_send(wsi) wsi->sock_send_blocking = TRUE
 #include <winsock2.h>
 #include <windows.h>
+#include <tchar.h>
+#include <mstcpip.h>
+
+#ifndef __func__
+#define __func__ __FUNCTION__
+#endif
+
 #define LWS_INVALID_FILE INVALID_HANDLE_VALUE
 #else /* not windows --> */
 #include <errno.h>