Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/cmake/platforms/iOS.cmake

@@ -1,55 +0,0 @@
-# Toolchain config for iOS.
-
-SET(CMAKE_SYSTEM_NAME Darwin)
-SET(CMAKE_SYSTEM_VERSION 13)
-SET(CMAKE_CXX_COMPILER_WORKS True)
-SET(CMAKE_C_COMPILER_WORKS True)
-SET(IOS True)
-
-if(NOT CMAKE_OSX_SYSROOT)
-  execute_process(COMMAND xcodebuild -version -sdk iphoneos Path
-    OUTPUT_VARIABLE SDKROOT
-    ERROR_QUIET
-    OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-  IF(NOT EXISTS ${SDKROOT})
-    MESSAGE(FATAL_ERROR "SDKROOT could not be detected!")
-  ENDIF()
-
-  message(STATUS "Using SDKROOT ${SDKROOT}")
-  set(CMAKE_OSX_SYSROOT ${SDKROOT})
-endif()
-
-IF(NOT CMAKE_C_COMPILER)
-  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find clang
-   OUTPUT_VARIABLE CMAKE_C_COMPILER
-   ERROR_QUIET
-   OUTPUT_STRIP_TRAILING_WHITESPACE)
-  message(STATUS "Using c compiler ${CMAKE_C_COMPILER}")
-ENDIF()
-
-IF(NOT CMAKE_CXX_COMPILER)
-  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find clang++
-   OUTPUT_VARIABLE CMAKE_CXX_COMPILER
-   ERROR_QUIET
-   OUTPUT_STRIP_TRAILING_WHITESPACE)
-  message(STATUS "Using c compiler ${CMAKE_CXX_COMPILER}")
-ENDIF()
-
-IF(NOT CMAKE_AR)
-  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find ar
-   OUTPUT_VARIABLE CMAKE_AR_val
-   ERROR_QUIET
-   OUTPUT_STRIP_TRAILING_WHITESPACE)
-  SET(CMAKE_AR ${CMAKE_AR_val} CACHE FILEPATH "Archiver")
-  message(STATUS "Using ar ${CMAKE_AR}")
-ENDIF()
-
-IF(NOT CMAKE_RANLIB)
-  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find ranlib
-   OUTPUT_VARIABLE CMAKE_RANLIB_val
-   ERROR_QUIET
-   OUTPUT_STRIP_TRAILING_WHITESPACE)
-  SET(CMAKE_RANLIB ${CMAKE_RANLIB_val} CACHE FILEPATH "Ranlib")
-  message(STATUS "Using ranlib ${CMAKE_RANLIB}")
-ENDIF()