tsan: fix build



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@177395 91177308-0d34-0410-b5e6-96231b3b80d8
Don't use --sysroot to linux SDK when building libprofile - SDK on Linux seems to be incomplete.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@177396 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Move ASan platform macros to sanitizer_common and rename them appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@177397 91177308-0d34-0410-b5e6-96231b3b80d8