From 6cf2bc1eed4ab8de9d7c5fea3bdffa6b32118972 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Moreau?= <marcandre.moreau@gmail.com>
Date: Tue, 4 Oct 2011 18:47:21 -0400
Subject: [PATCH] cmake: detect and set -Wno-unused-result

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 659b4b679..c43c73981 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,6 +65,10 @@ endif()
 # Compiler-specific flags
 if(CMAKE_COMPILER_IS_GNUCC)
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
+	CHECK_C_COMPILER_FLAG (-Wno-unused-result Wno-unused-result)
+	if(Wno-unused-result)
+		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-result")
+	endif()
 	CHECK_C_COMPILER_FLAG (-Wno-unused-but-set-variable Wno-unused-but-set-variable)
 	if(Wno-unused-but-set-variable)
 		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-but-set-variable")