[cmake] Remove duplicated code.

Author: gottesmm

cmake/modules/SwiftXcodeSupport.cmake

@@ -113,7 +113,6 @@ function(fix_imported_targets_for_xcode imported_targets)
 endfunction()
 
 # Common additional cmake project config for Xcode.
-#
 macro(swift_common_xcode_cxx_config)
   # Force usage of Clang.
   set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "com.apple.compilers.llvm.clang.1_0"
@@ -150,42 +149,3 @@ macro(swift_common_xcode_cxx_config)
   # Disable exceptions
   set(CMAKE_XCODE_ATTRIBUTE_GCC_ENABLE_CPP_EXCEPTIONS "NO")
 endmacro()
-
-# Additional cmake variables for Xcode.
-macro(swift_common_xcode_cxx_config)
-  # Force usage of Clang.
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "com.apple.compilers.llvm.clang.1_0"
-      CACHE STRING "Xcode Compiler")
-  # Use C++'11.
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11"
-      CACHE STRING "Xcode C++ Language Standard")
-  # Use libc++.
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++"
-      CACHE STRING "Xcode C++ Standard Library")
-  # Enable some warnings not enabled by default.  These
-  # mostly reset clang back to its default settings, since
-  # Xcode passes -Wno... for many warnings that are not enabled
-  # by default.
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_RETURN_TYPE "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_NEWLINE "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VALUE "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VARIABLE "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_SIGN_COMPARE "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_FUNCTION "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_HIDDEN_VIRTUAL_FUNCTIONS "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNINITIALIZED_AUTOS "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_DOCUMENTATION_COMMENTS "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_BOOL_CONVERSION "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_EMPTY_BODY "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_ENUM_CONVERSION "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_INT_CONVERSION "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_CONSTANT_CONVERSION "YES")
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_NON_VIRTUAL_DESTRUCTOR "YES")
-
-  # Disable RTTI
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_ENABLE_CPP_RTTI "NO")
-
-  # Disable exceptions
-  set(CMAKE_XCODE_ATTRIBUTE_GCC_ENABLE_CPP_EXCEPTIONS "NO")
-endmacro()
-