From 95dcc4e474b8ad10fea47c68df88678a6ae10fac Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 17 Aug 2016 10:16:57 -0400
Subject: [PATCH] libuv: Disable warnings to avoid changing 3rd party code

Add '-w' or equivalent flag on compilers supporting it.
Tell MSVC to use its lowest warning level inside libuv sources.
---
 Utilities/cmlibuv/CMakeLists.txt     | 8 ++++++++
 Utilities/cmlibuv/src/win/internal.h | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/Utilities/cmlibuv/CMakeLists.txt b/Utilities/cmlibuv/CMakeLists.txt
index 7f2d587fc..f1faf1897 100644
--- a/Utilities/cmlibuv/CMakeLists.txt
+++ b/Utilities/cmlibuv/CMakeLists.txt
@@ -1,5 +1,13 @@
 project(libuv C)
 
+# Disable warnings to avoid changing 3rd party code.
+if(CMAKE_C_COMPILER_ID MATCHES
+    "^(GNU|Clang|AppleClang|XL|VisualAge|SunPro|MIPSpro|HP|Intel)$")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
+elseif(CMAKE_C_COMPILER_ID STREQUAL "PathScale")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -woffall")
+endif()
+
 find_package(Threads)
 
 set(uv_libraries ${CMAKE_THREAD_LIBS_INIT})
diff --git a/Utilities/cmlibuv/src/win/internal.h b/Utilities/cmlibuv/src/win/internal.h
index b8cfde90e..8a17e9462 100644
--- a/Utilities/cmlibuv/src/win/internal.h
+++ b/Utilities/cmlibuv/src/win/internal.h
@@ -22,6 +22,10 @@
 #ifndef UV_WIN_INTERNAL_H_
 #define UV_WIN_INTERNAL_H_
 
+#if defined(_MSC_VER)
+# pragma warning(push,1)
+#endif
+
 #include "uv.h"
 #include "../uv-common.h"