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Re: SGI C++ compilers and netcdf

Greg,

We have a slightly newer compiler than you:
$ CC -version
  MIPSpro Compilers: Version 7.3.1.1m

We're sorry we can't duplicate the problem, but the netCDF C++
interface works on every other platform we've tried.  Maybe when we
announce 3.5 for beta testing, someone else will send in a workaround
for this problem.

It might be useful to know "uname -a" and "uname -R" info from your system.


-- 
Stuart Wier                           UCAR Unidata Program Center
address@hidden                        P.O. Box 3000
(303) 497-8659                              Boulder, CO 80307
Unidata Home Page                     http://www.unidata.ucar.edu/

Gregory Roland Ruetsch wrote:
> 
> Stuart,
> 
> Thanks for your help in looking into this.  It seems that we must be
> running on different version of the SGI compiler.  I can also get the
> following to run:
> 
> > // really_simple_nstd.cpp succeeds on SGI with command
> > // CC -o test -I/upc/netcdf/include really_simple_nstd.cpp
> > #include <iostream.h>
> > #include <string.h>
> > #include "netcdfcpp.h"
> >
> > int main() {
> >     cerr << "This has gotta work; 3, simple cerr." << endl;
> >     return 0;
> >   }
> 
> but ...
> 
> > // various forms make compiler errors or warnings:  really_simple.cpp
> > // command CC -LANG:std -o test really_simple.cpp
> > #include <string>
> > #include <iostream>
> > using namespace std;
> >
> > int main() {
> >     cerr << "This has gotta work, simple cerr." << endl;
> >     // string str(" string output: This has gotta work, too.");
> >     // cerr << str << endl;
> >     return 0;
> >   }
> >
> >
> > As shown it compiles, with ("fatal"?) warnings, and runs.
> > With the one line "string str..."  uncommented it fails to compile.
> 
> ... this isn't what happens to me:
> 
>   thayer 95% CC -version
>   MIPSpro Compilers: Version 7.30
>   thayer 96% more rs.cc
>   // various forms make compiler errors or warnings:  really_simple.cpp
>   // command CC -LANG:std -o test really_simple.cpp
>   #include <string>
>   #include <iostream>
>   using namespace std;
> 
>   int main() {
>     cerr << "This has gotta work, simple cerr." << endl;
>     string str(" string output: This has gotta work, too.");
>     cerr << str << endl;
>     return 0;
>   }
> 
>   thayer 97% CC -LANG:std rs.cc
> 
>   --- C++ prelinker: rs.o ---
>    CC -c -DEFAULT:abi=n32:isa=mips4:proc=r10k -LANG:std -n32 rs.cc
> 
>   --- C++ prelinker: rs.o ---
>    CC -DEFAULT:abi=n32:isa=mips4:proc=r10k -c 
> -DEFAULT:abi=n32:isa=mips4:proc=r10k -LANG:std -n32 rs.cc
>   thayer 98% a.out
>   This has gotta work, simple cerr.
>    string output: This has gotta work, too.
> 
> Now, adding the "netcdfcpp.h" file:
> 
>    thayer 99% xemacs rs.cc
>    thayer 100% more rs.cc
>    // various forms make compiler errors or warnings:  really_simple.cpp
>    // command CC -LANG:std -o test really_simple.cpp
>    #include <string>
>    #include <iostream>
>    using namespace std;
> 
>    #include "netcdfcpp.h"
> 
>    int main() {
>      cerr << "This has gotta work, simple cerr." << endl;
>      string str(" string output: This has gotta work, too.");
>      cerr << str << endl;
>      return 0;
>    }
> 
> ...
> 
>    thayer 103% CC -LANG:std -I/usr/people/ruetsch/include rs.cc |& more
>    cc-1239 CC: ERROR File = /usr/include/CC/iostream.h, Line = 91
>      "streambuf" is ambiguous.
> 
>                            ios(streambuf*) ;
>                                ^
> 
>    cc-1239 CC: ERROR File = /usr/include/CC/iostream.h, Line = 107
>      "ostream" is ambiguous.
> 
>            ostream*        tie(ostream* s);
>            ^
> 
>    cc-1239 CC: ERROR File = /usr/include/CC/iostream.h, Line = 107
>      "ostream" is ambiguous.
> 
>            ostream*        tie(ostream* s);
>                                ^
> 
>    cc-1239 CC: ERROR File = /usr/include/CC/iostream.h, Line = 108
>      "ostream" is ambiguous.
> 
>            ostream*        tie()           { return x_tie ; }
>            ^
> 
>    cc-1239 CC: ERROR File = /usr/include/CC/iostream.h, Line = 138
> 
> ... you get the picture.  But you are right, g++ is probably the way
> to go ...
> 
>    thayer 104% g++ -LANG:std -I/usr/people/ruetsch/include rs.cc
>    ld32: WARNING 84 : /usr/lib32/libm.so is not used for resolving any symbol.
>    thayer 105% a.out
>    This has gotta work, simple cerr.
>     string output: This has gotta work, too.
> 
> The only difficulty I have is with linking to -lncdf and -lncdf_c++ which
> were compiled using CC.  I can recompile netcdf/_c++ using gcc/g++, but sooner
> or later I'm going to have to face the music with -lmpi and the likes.
> Do you have any experience or advice on combining GNU and SGI objects?
> 
> Thanks again,
> 
> Greg
> 
> --
> Greg Ruetsch                     ||   address@hidden
> Center for Turbulence Research   ||   http://thayer.stanford.edu/ruetsch
> Stanford University              ||   Voice: (650) 725-1821
> Stanford, CA  94305-3030         ||   Fax: (650) 723-9617