[Mono-list] Problem with zlib after installing from trunk

[Tom Haines]

I am running OpenSim 0.6.6 on a linux machine. Today I upgraded mono to the
trunk and I OpenSim crashes with the following:
Region (Oxford) # save oar /mnt/san1/oars/Oxford.oar
11:08:29 - [ARCHIVER]: Writing archive for region Oxford to
/mnt/san1/oars/Oxford.oar
11:08:29 - Command error: System.EntryPointNotFoundException: CreateZStream
  at (wrapper managed-to-native)
System.IO.Compression.DeflateStream:CreateZStream
(System.IO.Compression.CompressionMode,bool,System.IO.Compression.DeflateStream/UnmanagedReadOrWrite)
  at System.IO.Compression.DeflateStream..ctor (System.IO.Stream
compressedStream, CompressionMode mode, Boolean leaveOpen, Boolean gzip)
[0x00000]
  at (wrapper remoting-invoke-with-check)
System.IO.Compression.DeflateStream:.ctor
(System.IO.Stream,System.IO.Compression.CompressionMode,bool,bool)
  at System.IO.Compression.GZipStream..ctor (System.IO.Stream
compressedStream, CompressionMode mode, Boolean leaveOpen) [0x00000]
  at System.IO.Compression.GZipStream..ctor (System.IO.Stream
compressedStream, CompressionMode mode) [0x00000]
  at (wrapper remoting-invoke-with-check)
System.IO.Compression.GZipStream:.ctor
(System.IO.Stream,System.IO.Compression.CompressionMode)
  at
OpenSim.Region.CoreModules.World.Archiver.ArchiveWriteRequestPreparation..ctor
(OpenSim.Region.Framework.Scenes.Scene scene, System.String savePath, Guid
requestId) [0x00000]
  at OpenSim.Region.CoreModules.World.Archiver.ArchiverModule.ArchiveRegion
(System.String savePath, Guid requestId) [0x00000]
  at OpenSim.Region.CoreModules.World.Archiver.ArchiverModule.ArchiveRegion
(System.String savePath) [0x00000]
  at OpenSim.Region.Framework.Scenes.SceneManager.SaveCurrentSceneToArchive
(System.String filename) [0x00000]
  at OpenSim.OpenSim.SaveOar (System.String module, System.String[]
cmdparams) [0x00000]
  at OpenSim.Framework.Console.Commands.Resolve (System.String[] cmd)
[0x00000]
  at OpenSim.Framework.Console.LocalConsole.ReadLine (System.String p,
Boolean isCommand, Boolean e) [0x00000]
  at OpenSim.Framework.Console.CommandConsole.Prompt () [0x00000]
  at OpenSim.Application.Main (System.String[] args) [0x00000]

I got the following during mono installation/compilation
checking zlib.h usability... yes
checking zlib.h presence... yes
checking for zlib.h... yes
Using system zlib
The system has zlib 1.2.3
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