From e7b3cd7ec1f287281b628cb22c2b5ce7ed8bb883 Mon Sep 17 00:00:00 2001
From: huangkaicheng <huangkaicheng@huawei.com>
Date: Thu, 23 Apr 2020 06:17:22 +0100
Subject: [PATCH] iOS: detect and avoid net/route.h

LWS builds OK on iOS SDK as unix type plat, except it
doesn't have net/route.h.

Detect we're building on iOS at CMake and export a
preprocessor define we can use to snip out the missing
include.
---
 CMakeLists.txt               | 4 ++++
 cmake/lws_config.h.in        | 1 +
 lib/plat/unix/unix-sockets.c | 4 ++++
 3 files changed, 9 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dde6223e8..a41a9c747 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -177,6 +177,10 @@ option(LWS_WITH_FSMOUNT "Overlayfs and fallback mounting apis" OFF)
 # End of user settings
 #
 
+if(IOS)
+    set(LWS_DETECTED_PLAT_IOS 1)
+endif()
+
 # Workaround for ESP-IDF
 # Detect ESP_PLATFORM environment flag, if exist, set LWS_WITH_ESP32.
 # Otherwise the user may not be able to run configuration ESP-IDF in the first time.
diff --git a/cmake/lws_config.h.in b/cmake/lws_config.h.in
index ecfd8f4d2..131648f67 100644
--- a/cmake/lws_config.h.in
+++ b/cmake/lws_config.h.in
@@ -22,6 +22,7 @@
 #cmakedefine LWS_BUILD_HASH "${LWS_BUILD_HASH}"
 #cmakedefine LWS_BUILTIN_GETIFADDRS
 #cmakedefine LWS_CLIENT_HTTP_PROXYING
+#cmakedefine LWS_DETECTED_PLAT_IOS
 #cmakedefine LWS_FALLBACK_GETHOSTBYNAME
 #cmakedefine LWS_HAS_INTPTR_T
 #cmakedefine LWS_HAS_GETOPT_LONG
diff --git a/lib/plat/unix/unix-sockets.c b/lib/plat/unix/unix-sockets.c
index 5e7a68ac2..3dd4ae38a 100644
--- a/lib/plat/unix/unix-sockets.c
+++ b/lib/plat/unix/unix-sockets.c
@@ -28,7 +28,11 @@
 #include "private-lib-core.h"
 
 #include <sys/ioctl.h>
+
+#if !defined(LWS_DETECTED_PLAT_IOS)
 #include <net/route.h>
+#endif
+
 #include <net/if.h>
 
 #include <pwd.h>