Several functions regarding file handling are deprecated. This commit replaces these functions with the new one from llvm::sys::fs and llvm::sys::path. It also removes some warnings about signed/unsigned mismatches.
This solves the problem of LDC picking up a pre-existing system-wide config when druntime and Phobos are compiled as part of the build process.
This order was intended by Christian in 919f8d6, but then backed out again in eb3cd887 with no comment as to why – I hope this doesn't have any unwanted implications.
Removed use of dyn_cast, llvm no compiles
without exceptions and rtti by
default. We do need exceptions for the libconfig stuff, but rtti isn't
necessary (anymore).
Debug info needs to be rewritten, as in LLVM 2.7 the format has
completely changed. To have something to look at while rewriting, the
old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means
that you have to define this to compile at the moment.
Updated tango 0.99.9 patch to include updated EH runtime code, which is
needed for LLVM 2.7 as well.
