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20000608: building netCDF version 3.4 under AIX 4.3 using xlC

Richard,

> To: address@hidden
> From: Richard Frost <address@hidden>
> Subject: AIX 4.3 builds
> Organization: SDSC
> Keywords: 200006081925.e58JPTT05674

In the above message, you wrote:

> I have built netcdf-3.4 on an IBM RS6000 running AIX 4.3.
> One build was using
>       CC gcc
>       CXX g++
> and the other with the configure defaults
>       CC xlc
>       CXX xlC
> 
> For the latter, the xLC compiler found error with class definitions
> in netcdf.hh for NcDim, NcVar, and NcAtt.  Specifically:
> 
>       friend NcFile::NcFile( const char *, NcFile::FileMode );
> 
> "netcdf.hh", line 157.10: 1540-0133 (S) The attributes "friend" are not 
> allowed.
> "netcdf.hh", line 368.10: 1540-0133 (S) The attributes "friend" are not 
> allowed.
> "netcdf.hh", line 412.10: 1540-0133 (S) The attributes "friend" are not 
> allowed.
> 
> I worked around this with heavy overkill in the classes NcDim, NcVar, and 
> NcAtt:
> 
> #ifndef _AIX43
>   private:
> #endif
> 
> #ifndef _AIX43
>   friend NcFile::NcFile( const char *, NcFile::FileMode );
> #endif
> 
> The compiled package then passed all of the tests performed by "make test".
> 
> Please let me know if users could experience errors due to this workaround.
> 
> Thanks,
> Richard F.

Thanks for the information.  I'll pass this on to the C++ interface
maintainer.

Regards,
Steve Emmerson   <http://www.unidata.ucar.edu>