clang_darwin: Always set deployment targets when building compiler-rt bits, so
that we don't have a hidden dependency on possible deployment target environment
overrides.
 - Also, add support for an ARM_SDK build variable which points to the isysroot
   to use for ARM bits.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@129873 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed