Hello, today, due to a network misconfiguration, some commit messages were refused by the mailing list servers. Here is a short summary of the change: Files affected: configure.classic config/GNUmake.env.in src/XrdClient/GNUMakefile src/XrdClient/Xrdcp.cc Reason: Add optional zlib support for computing the adler32 checksum in xrdcp Fabrizio