directory.

This is useful in case someone who works with the config&make build
system forgot to add a file to its CMakeLists.txt. Instead of
obtaining undefined references at link time, cmake will complain at
configure time on the first build after a svn update.

llvm-svn: 85817

dummy library, `llvm_headers_do_not_build', is created for containing
all header and TableGen files under include/llvm.

llvm-svn: 59346

files.

llvm-svn: 59325