previously temporary NULLCOMP implementation that merely copies the data verbatim without compression. Also, don't warn if there's no compression library as that is taken care of during configuration time. llvm-svn: 16654
distinguished. Tidy up documentation. Thanks, Chris. llvm-svn: 16652
llvm-svn: 16650
LLVM that handles availability and unavailability of bzip2 and zlib. llvm-svn: 16648