[CMake] Add variable IOS to iOS toolchain

This is useful for some edge cases where detecting things gets tricky. Specifically LLDB needs this to support iOS because CMake doesn't support running tests using obj-c code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295392 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/platforms/iOS.cmake b/cmake/platforms/iOS.cmake
index 99692fd6d2aaedd406db763aa7724ee475d36020..15c7aae12c702bfdbcdce50460bf8df3f3273366 100644 (file)
--- a/cmake/platforms/iOS.cmake
+++ b/cmake/platforms/iOS.cmake
@@ -4,6 +4,7 @@ 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