library: Port to Haiku.
diff --git a/library/net_sockets.c b/library/net_sockets.c
index f99d339..e68b3ef 100644
--- a/library/net_sockets.c
+++ b/library/net_sockets.c
@@ -28,7 +28,8 @@
 #if defined(MBEDTLS_NET_C)
 
 #if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
-    !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__)
+    !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
+    !defined(__HAIKU__)
 #error "This module only works on Unix and Windows, see MBEDTLS_NET_C in config.h"
 #endif