Hash the various compiler version, target, preprocessor, and
header-search options into the module hash. We're just using
ADT/Hashing.hpp for this, which isn't as cryptographically strong as
I'd like, but it'll do. If someone contributes (say) and MD4
implementation, we'd happily switch to that.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167397 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed