Moved llvm/utils/Burg and llvm/utils/TableGen to llvm/support/tools.

llvm-svn: 8733

llvm-svn: 7876

the pre-release 1.1 branch and pre-release 1.1.1).
Made the USE_SPEC option work.
Silenced unnecessary error output from the cmp command when checking for
updates to lex/yacc generated files.  This fixes a problem where we get error
messages the first time the file is generated.
Fixed the distclean option.  It is now in the Makefile (i.e. only runs in the
top level source directory), removes more files, and plays nicely with
external project Makefiles.

llvm-svn: 7780

of the llvm source directory.
The main modification was to add new environment variables: one set for llvm
entities and another set for source entities current being compiled.
This should make the Makefile more flexible and easier to understand as each
environment variable only does one thing.

llvm-svn: 6679

makefile in utils to build the utilities

llvm-svn: 4844

llvm-svn: 3792

llvm-svn: 2