From 13e39575c209357138ad7ec046992214dcd7a907 Mon Sep 17 00:00:00 2001
From: cardenaso11 <nicholas.cardenas.1@gmail.com>
Date: Wed, 29 Jun 2016 19:00:10 -0700
Subject: [PATCH] added clang build support

---
 CMakeLists.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 784c2d0ac0..b78a3b29d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,6 +82,17 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O3")  #-s = strip binary
 endif()
 
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    #check for clang 3.3+
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3)
+        message(FATAL_ERROR "You need at least clang 3.3 to compile EmulationStation!")
+    endif()
+
+    #set up compiler flags for clang (similar if not identical to GCC)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wno-attributes -O3") #support C++11, optimize
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O3")
+endif()
+
 if(${GLSystem} MATCHES "Desktop OpenGL")
     add_definitions(-DUSE_OPENGL_DESKTOP)
 else()