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Elena Pourmal <epourmal@xxxxxxxxxxxxx> writes: > Ed, > > By default HDF5 tries to find zlib on the system and include it. Most > of the systems will have zlib library installed. > > Including zlib with the source code may do more harm than good because > users may end up with multiple versions of the zlib library. > > Let's see what other people will say. > > Elena The best thing to do would be to include it in HDF5 as a noinst library - that is, a library that is not installed, but is included as a convenience library with HDF5. In this way, the user could do nothing, and get zlib, and not even have to say "-lz" on his build command. Also, version 1.2.3 of zlib seems to be old and stable, so I don't think too many different versions are floating around. Finally, there is a shared library issue problem. Since it doesn't use libtool, zlib must be configured with the -s option (weird). All this could be taken care of by the HDF5 configuration. In the exact same way, once HDF5 includes zlib, I can have netCDF-4 include HDF5. Ed -- Ed Hartnett -- ed@xxxxxxxxxxxxxxxx