[orbitcpp-list] Re: Gearing up for release 0.30

[<MHL...@t-...>]

On Don, 23 Nov 2000 21:49:01 Martin Schulze wrote:
> Hi,
> 
> Maybe you should also make orbitcpp link against the latest
> ORBit2-preview that was recently announced on the orbit-list.
> 
> It seems that there are only few changes necessary:
> [snip]


Phil, did you already fixed some problems!? I made some temporary
fixes for myself but checked out orbitcpp, so my changes should
have got lost; however it still compiles and links against ORBit2!


However, with (hacked) ORBit2 and orbitcpp up and running, there
are two problems left:

- The orbitcpp-test "string" compiles but doesn't link. There is
  a dozen unresolved externals; each of them starts with CORBA_*.
  This is strange because the linker finds the right version of
  ORBit. I even copied the library to libORBit-2.3.90.so/la and
  link with -lORBit-2.3.90 ...
  I don't know what's going wrong here.

- This code doesn't compile:

______________________________________________________________
  namespace _orbitcpp { namespace c {
        #include "corbaSigC.h"
// *** This line doesn't cause errors:
        class testtest { CORBA_sequence_CORBA_any anytesttest; };
  } }

  namespace corbaSigC {
// *** This one causes an error:
// `CORBA_sequence_CORBA_any' undeclared in namespace `_orbitcpp::c'
    class ctesttest { ::_orbitcpp::c::CORBA_sequence_CORBA_any anytesttest;
};

// *** This one works!
    class cctesttest { CORBA_sequence_CORBA_any anytesttest; };
  }
_____________________________________________________________

  The problem is, that CORBA_sequence_CORBA_any and friends are
  declared to have C-linkage (extern "C" {...}). The
  "namescpace _orbitcpp { namespace c { } }" around
  "#include "corbaSigC.h" is ignored for those symbols.
  I don't know whether there is a workaround (compliler-option).
  otherwise we have to cut the "::_orbitcpp::c::"!

Cu, Martin