diff --git a/libraries/AP_Networking/AP_Networking_Config.h b/libraries/AP_Networking/AP_Networking_Config.h
index b0f174618f..ea77791a2b 100644
--- a/libraries/AP_Networking/AP_Networking_Config.h
+++ b/libraries/AP_Networking/AP_Networking_Config.h
@@ -5,8 +5,14 @@
 #define AP_NETWORKING_ENABLED AP_NETWORKING_BACKEND_PPP
 #endif
 
+
 #ifndef AP_NETWORKING_ENABLED
-#define AP_NETWORKING_ENABLED (((CONFIG_HAL_BOARD == HAL_BOARD_LINUX) || (CONFIG_HAL_BOARD == HAL_BOARD_SITL)) && !defined(__APPLE__))
+#if defined(__APPLE__) || defined(__clang__)
+// MacOS can't build lwip, and clang fails on linux
+#define AP_NETWORKING_ENABLED 0
+#else
+#define AP_NETWORKING_ENABLED ((CONFIG_HAL_BOARD == HAL_BOARD_LINUX) || (CONFIG_HAL_BOARD == HAL_BOARD_SITL))
+#endif
 #endif
 
 #ifndef AP_NETWORKING_BACKEND_DEFAULT_ENABLED
diff --git a/libraries/AP_Networking/wscript b/libraries/AP_Networking/wscript
index f48864d3cc..4094b6aeaf 100644
--- a/libraries/AP_Networking/wscript
+++ b/libraries/AP_Networking/wscript
@@ -1,13 +1,17 @@
 #!/usr/bin/env python3
 
 import pathlib
-
+import platform
 
 def configure(cfg):
 
     if not cfg.env.BOARD_CLASS in ['SITL', 'LINUX', 'ChibiOS']:
         return
 
+    # networking doesn't build on MacOSX or clang
+    if platform.system() == 'Darwin' or 'clang++' in cfg.env.COMPILER_CXX:
+        return
+
     extra_src = [
         'modules/lwip/src/core/*c',
         'modules/lwip/src/core/ipv4/*c',