Added patch file correcting ios-cmake for cmake 3.0

Author: ras0219-msft

Build_iOS/CMakeLists.txt

@@ -1,4 +1,4 @@
-project(casablanca-ios)
+project(casablanca-ios NONE)
 cmake_minimum_required(VERSION 2.6)
 
 set(TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/ios-cmake/toolchain/iOS.cmake")

Build_iOS/ios_cmake_clang3.patch

@@ -0,0 +1,34 @@
+diff -r -u ios-cmake/toolchain/iOS.cmake ios-cmake.patched/toolchain/iOS.cmake
+--- ios-cmake/toolchain/iOS.cmake	2014-07-02 02:56:17.000000000 -0700
++++ ios-cmake.patched/toolchain/iOS.cmake	2014-07-02 02:43:23.000000000 -0700
+@@ -46,15 +46,6 @@
+ 	string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
+ endif (CMAKE_UNAME)
+ 
+-# Force the compilers to gcc for iOS
+-include (CMakeForceCompiler)
+-CMAKE_FORCE_C_COMPILER (gcc gcc)
+-CMAKE_FORCE_CXX_COMPILER (g++ g++)
+-
+-# Skip the platform compiler checks for cross compiling
+-set (CMAKE_CXX_COMPILER_WORKS TRUE)
+-set (CMAKE_C_COMPILER_WORKS TRUE)
+-
+ # All iOS/Darwin specific settings - some may be redundant
+ set (CMAKE_SHARED_LIBRARY_PREFIX "lib")
+ set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
+@@ -124,6 +115,14 @@
+ endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
+ set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform")
+ 
++# Force the compilers to clang for iOS
++set(CMAKE_C_COMPILER "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang")
++set(CMAKE_CXX_COMPILER "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++")
++
++# Skip the platform compiler checks for cross compiling
++set (CMAKE_CXX_COMPILER_WORKS TRUE)
++set (CMAKE_C_COMPILER_WORKS TRUE)
++
+ # Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT
+ if (NOT DEFINED CMAKE_IOS_SDK_ROOT)
+ 	file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")