From bug-octave-request at bevo dot che dot wisc dot edu  Tue Dec 21 07:48:46 1999
Subject: Re: Octave-2.1.23 build with Cygnus gcc 2.95.2
From: William D Kirby <wdkirby at ix dot netcom dot com>
To: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
CC: christopher dot kennedy at gecm dot com, bug-octave@bevo.che.wisc.edu
Date: Tue, 21 Dec 1999 07:52:23 -0500

I modified builtins.cc as suggested, and was able to complete the compilation process
without errors.

"John W. Eaton" wrote:

> On 20-Dec-1999, christopher dot kennedy at gecm dot com <christopher.kennedy@gecm.com> wrote:
>
> | I am also building Octave with "Cygnus gcc 2.95.2" and have had the
> | same "quad" problem in "builtins.cc" with all the recent "Bleeding
> | Edge" Octave Versions.
> |
> | I have avoided the problem by expanding the first
> |
> | "XDEFUN_DLD_INTERNAL" in:-
> |
> | "
> |   static void
> | install_quad_fcns (void)
> | {
> |  XDEFUN_DLD_INTERNAL (  quad  ,  args  ,  nargout  ,  0 ,
> |   "-*- texinfo -*-\n at deftypefn {Loadable Function}  ......
> |
> |  XDEFUN_DLD_INTERNAL (  quad_options  ,     args  ,       ,   0 ,
> |   "-*- texinfo -*-\n at deftypefn {Loadable Function}  ......
> | }
> | "
> |
> | by hand after "builtins.cc" has been generated.
> |
> | The second
> |
> | "XDEFUN_DLD_INTERNAL (  quad_options  , ...."
> |
> | has never given any problem and is translated successfully
> |
> | As to why this problem only arises with "quad" and none of the others,
> | well ......
>
> Ah.  I think the problem is that some systems define quad to be a type
> name (i.e., something like `#define quad quad_t').  This problem
> showed up once before, so there is already code like this:
>
>   #if defined (quad)
>   #undef quad
>   #endif
>
> in quad.cc.  Things broke when some restructuring was done.  So, I
> think the solution is to have mkbuiltins add a similar #undef to the
> generated builtins.cc file.
>
> Can you try adding those lines to the builtins.cc file by hand and see
> if it solves the problem?  They should probably go just after
> variables.h is included.
>
> Thanks,
>
> jwe
>
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